High-Containment Biosafety Laboratories: DHS Lacks Evidence to
Conclude That Foot-and-Mouth Disease Research Can Be Done Safely
on the U.S. Mainland (22-MAY-08, GAO-08-821T).
DHS is proposing to move foot-and mouth disease (FMD) research
from its current location at the Plum Island Animal Disease
Center--located on a federally owned island off the northern tip
of Long Island, New York--and potentially onto the United States
mainland. FMD is the most highly infectious animal disease that
is known. Nearly 100 percent of exposed animals become infected.
A single outbreak of FMD on the U.S. mainland could have
significant economic consequences. Concerns have been raised
about moving FMD research off its island location and onto the
U.S. mainland--where it would be in closer proximity to
susceptible animal populations--as opposed to building a new
facility on the island. GAO was asked to evaluate the evidence
DHS used to support its decision that FMD work can be done safely
on the U.S. mainland, whether an island location provides any
additional protection over and above that provided by modern high
containment laboratories on the mainland, and the economic
consequences of an FMD outbreak on the U.S. mainland. In
preparing this testimony, GAO interviewed officials from DHS and
USDA, talked with experts in FMD and high-containment
laboratories worldwide, and reviewed studies on FMD,
high-containment laboratories, and the economic consequences of
FMD outbreaks. GAO also visited the Plum Island Animal Disease
Center and other animal biocontainment laboratories in other
countries.
-------------------------Indexing Terms-------------------------
REPORTNUM: GAO-08-821T
ACCNO: A82176
TITLE: High-Containment Biosafety Laboratories: DHS Lacks
Evidence to Conclude That Foot-and-Mouth Disease Research Can Be
Done Safely on the U.S. Mainland
DATE: 05/22/2008
SUBJECT: Animal diseases
Biocontainment laboratories
Biological research
Data integrity
Disease control
Disease detection or diagnosis
Disease surveillance
Facility security
Federal facility relocation
Homeland security
Infectious diseases
Research and development facilities
Research program management
Research programs
Risk assessment
Risk factors
Risk management
Safety standards
Site selection
Zoonotic diseases
ARS Plum Island Animal Disease Center
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GAO-08-821T
This is the accessible text file for GAO report number GAO-08-821T
entitled 'High-Containment Biosafety Laboratories: DHS Lacks Evidence
to Conclude that Foot-and-Mouth Disease Research Can Be Done Safely on
the U.S. Mainland' which was released on May 22, 2008.
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Testimony:
Before the Subcommittee on Oversight and Investigations, Committee on
Energy and Commerce, House of Representatives:
United States Government Accountability Office:
GAO:
For Release on Delivery Expected at 10:00 a.m. EDT:
Thursday, May 22, 2008:
High-Containment Biosafety Laboratories:
DHS Lacks Evidence to Conclude That Foot-and-Mouth Disease Research Can
Be Done Safely on the U.S. Mainland:
Statement of Nancy Kingsbury, Managing Director:
Applied Research and Methods:
GAO-08-821T:
GAO Highlights:
Highlights of GAO-08-821T, a testimony before the Subcommittee on
Oversight and Investigations, Committee on Energy and Commerce, House
of Representatives.
Why GAO Did This Study:
DHS is proposing to move foot-and mouth disease (FMD) research from its
current location at the Plum Island Animal Disease Center�located on a
federally owned island off the northern tip of Long Island, New
York�and potentially onto the United States mainland. FMD is the most
highly infectious animal disease that is known. Nearly 100 percent of
exposed animals become infected. A single outbreak of FMD on the U.S.
mainland could have significant economic consequences. Concerns have
been raised about moving FMD research off its island location and onto
the U.S. mainland�where it would be in closer proximity to susceptible
animal populations�as opposed to building a new facility on the island.
GAO was asked to evaluate the evidence DHS used to support its decision
that FMD work can be done safely on the U.S. mainland, whether an
island location provides any additional protection over and above that
provided by modern high containment laboratories on the mainland, and
the economic consequences of an FMD outbreak on the U.S. mainland. In
preparing this testimony, GAO interviewed officials from DHS and USDA,
talked with experts in FMD and high-containment laboratories worldwide,
and reviewed studies on FMD, high-containment laboratories, and the
economic consequences of FMD outbreaks. GAO also visited the Plum
Island Animal Disease Center and other animal biocontainment
laboratories in other countries.
What GAO Found:
GAO found that the Department of Homeland Security (DHS) has neither
conducted nor commissioned any study to determine whether work on foot-
and-mouth disease (FMD) can be done safely on the U.S. mainland.
Instead, in deciding that work with FMD can be done safely on the
mainland, DHS relied on a 2002 U.S. Department of Agriculture (USDA)
study that addressed a different question. The study did not assess the
past history of releases of FMD virus or other dangerous pathogens in
the United States or elsewhere. It did not address in detail the issues
of containment related to large animal work in BSL-3 Ag facilities. It
was inaccurate in comparing other countries� FMD work experience with
that of the United States. Therefore, GAO believes DHS does not have
evidence to conclude that FMD work can be done safely on the U.S.
mainland.
While location, in general, confers no advantage in preventing a
release, location can help prevent the spread of pathogens and, thus, a
resulting disease outbreak if there is a release. Given that there is
always some risk of a release from any biocontainment facility, most
experts GAO spoke with said that an island location can provide
additional protection. An island location can help prevent the spread
of FMD virus along terrestrial routes, such as from vehicles splashed
with contaminated mud, and may also reduce airborne transmission. Some
other countries besides the United States have historically seen the
benefit of an island location, with its remoteness from susceptible
species and permanent water barriers. A recent release from the
Pirbright facility�located in a farming community on the mainland of
the United Kingdom�highlights the risks of a release from a laboratory
that is in close proximity to the susceptible animals and provides the
best evidence in favor of an island location.
Figure 1: The Plum Island Animal Disease Center:
This figure is a photograph of the Plum Island Animal Disease Center.
[See PDF for image]
Source: DHS.
[End of figure]
FMD has no health implications for humans, but it can have significant
economic consequences, as recent outbreaks in the United Kingdom have
demonstrated. The economic effects of an FMD outbreak in the United
States, however, would depend on the characteristics of the outbreak
and how producers, consumers, and the government responded to it.
Although estimates vary, experts agree that the economic consequences
of an FMD outbreak on the U.S. mainland could be significant,
especially for red meat producers whose animals would be at risk for
diseases, depending on how and where such an outbreak occurred.
To view the full product, including the scope and methodology, click on
[hyperlink, http://www.gao.gov/cgi-bin/getrpt?GAO-08-821T]. For more
information, contact Nancy Kingsbury at (202) 512-2700 or
[email protected].
[End of section]
Mr. Chairman and Members of the Subcommittee:
We are pleased to be here to discuss our findings on the evidence the
Department of Homeland Security (DHS) has used to support its decision
that foot-and-mouth disease (FMD) work can be conducted as safely on
the U.S. mainland as on Plum Island.
By law, live FMD virus may be used only at a coastal island, such as
Plum Island, unless the Secretary of Agriculture specifically
determines that it is necessary and in the public interest to conduct
such research and study on the U.S. mainland.[Footnote 1] The only
facility that studies high-consequence foreign livestock diseases, such
as FMD, in the United States is the Plum Island Animal Disease Center
(PIADC), located on a federally owned island off the northern tip of
Long Island, New York.
The U.S. Department of Agriculture (USDA) was responsible for Plum
Island from the 1950s until June 1, 2003. The Homeland Security Act of
2002 transferred Plum Island to DHS, shifting overall responsibility
for Plum Island to DHS, including all costs associated with PIADC's
maintenance, operations, and security.[Footnote 2] The Act specified
that USDA would continue to have access to Plum Island to conduct
diagnostic and research work on foreign animal diseases, and it
authorized the President to transfer funds from USDA to DHS to operate
Plum Island.[Footnote 3]
DHS has identified PIADC as "reaching the end of its life cycle" and as
lacking critical capabilities to continue as the primary facility for
such work. DHS has announced that to meet the obligation of Homeland
Security Presidential Directive/HSPD-9, it will establish a new
facility, the National Bio and Agro-Defense Facility (NBAF).[Footnote
4] This facility, according to DHS, would have high-containment
laboratories able to safely contain the pathogens currently under
investigation at PIADC--including the FMD virus.[Footnote 5]
FMD is the most highly infectious animal disease that is known. Nearly
100 percent of exposed animals become infected. The virus can spread
from infected animals in various ways, including by contaminated animal
feed or water, contaminated shoes or clothing, and contaminated
vehicles or farm equipment. In some circumstances, the wind can spread
the virus from farm to farm. The traditional approach, once infection
is confirmed, is to depopulate infected and potentially infected herds.
The United States has been free of FMD since 1929. A single outbreak of
FMD on the U.S. mainland could have significant consequences. The value
of U.S. livestock sales was $140 billion in 2007; about 10 percent of
this figure, or approximately $13 billion, is accounted for by export
markets. Concerns have been raised about moving FMD research off its
island location and onto the U.S. mainland, where it would be in closer
proximity to susceptible animal populations, as opposed to building a
new facility on the island.
You asked us to evaluate:
1. the evidence DHS used to support its decision that FMD work can be
done safely on the U.S. mainland,
2. whether an island location provides any additional protection over
and above that provided by modern high containment laboratories on the
mainland, and:
3. the economic consequences of an FMD outbreak on the mainland.
To address the first question, we interviewed officials from DHS and
USDA. We visited PIADC and talked with DHS and USDA officials who
oversee and operate the facility, toured the animal containment areas,
and examined the unique aspects of the island location. We obtained and
reviewed relevant legislation and regulations governing USDA and DHS;
literature on FMD as well as on high-containment laboratories; and
agencies' documents, including the study DHS used to support its
decision. In addition, we talked to the contractor who conducted the
study for USDA in 2002 and many of the members of the expert panel used
in the study. We also talked to experts on animal diseases and high-
containment laboratories dealing with animal, zoonotic, and human
pathogens, as well as representatives from the American Society for
Microbiology, National Grange of the Order of Patrons of Husbandry,
National Cattlemen's Beef Association, and National Pork Producers
Council.[Footnote 6]
For the second question, we interviewed officials from DHS and USDA and
experts in animal diseases. We visited and talked with officials of
some of the other facilities that are conducting FMD work, including
the Australian Animal Health Laboratory in Geelong, Canada's National
Centre for Foreign Animal Disease in Winnipeg, the Danish National
Veterinary Institute on Lindholm Island, the German Federal Research
Institute for Animal Health (Friedrich-Loeffler-Institut) on the Island
of Riems, and the United Kingdom's (UK) Institute for Animal Health
Pirbright facility. In addition, we talked to officials of the World
Organisation for Animal Health (OIE) in France.
For the third question, we obtained and reviewed studies conducted on
the economic consequences of the FMD outbreak in the United Kingdom in
2002 and the potential consequences of outbreaks in the United States.
We conducted our work from March 2008 through May 2008 in accordance
with generally accepted government auditing standards.
Results in Brief:
We found that DHS has not conducted or commissioned any study to
determine whether FMD work can be done safely on the U.S. mainland.
Instead, DHS based its decision that work with FMD virus can be done
safely on the mainland on a 2002 USDA study that addressed a different
question: whether it is technically feasible to conduct exotic disease
research and diagnostics, including foot-and-mouth disease and
rinderpest, on the U.S. mainland with adequate biosafety and
biosecurity to protect U.S. agriculture.[Footnote 7] This approach
fails to recognize the distinction between what is technically feasible
and what is possible, given the potential for human error. We found
that the study was selective in what it considered. It did not assess
the history of releases of FMD virus or other dangerous pathogens,
either in the United States or elsewhere. It did not address in detail
the issues of containment related to large animal work in BSL-3 Ag
facilities.[Footnote 8] Also, the study was inaccurate in comparing
other countries' FMD work experience with the situation in the United
States. Consequently, the study does not clearly support the conclusion
that FMD work can be done safely on the mainland.
While location, in general, confers no advantage in preventing an
initial release, location can help prevent the spread of pathogens and,
thus, a resulting disease outbreak if there is a release. Given that
there will always be some risk of a release from any biocontainment
facility, most of the experts we spoke with told us that an island
location can provide additional protection. An island location can help
prevent the spread of FMD virus along terrestrial routes, such as from
vehicles splashed with contaminated mud, and may also reduce airborne
transmission.
Historically, not just the United States but also other countries have
seen the benefit of an island location, with its combination of
remoteness from susceptible species and permanent water barriers. For
example, Denmark, Germany, and the United States decided to conduct FMD
and related animal disease work on islands when modern containment
technology did not yet exist. Islands were considered to be an extra
layer of protection. However, faced with the decision today of whether
to replace aging infrastructure on the island versus building a new
facility on the mainland, Denmark and Germany have both decided to keep
FMD work on their islands, given the non-zero risk of a release and the
serious economic consequences of an outbreak on the mainland.[Footnote
9]
Australia has built a state-of-the-art BSL-4 laboratory at Geelong,
south of Melbourne.[Footnote 10] However, Australia's approach is to
avoid the risk of any release by contracting out live FMD virus work to
foreign countries, despite the fact that it has the most sophisticated
high-containment laboratories for such work.[Footnote 11] Canada has
decided to conduct FMD work on the mainland. However, the location is
downtown, where susceptible animals are not likely to be found in the
immediate neighborhood. In addition, Canada's scope of work on FMD is
smaller than the present FMD work at the PIADC facility or the facility
DHS proposes. Some of the proposed U.S. sites are potentially more
likely to pose a risk, given their closer proximity to susceptible
animal populations. A recent release from the Pirbright facility in the
United Kingdom highlights the risks of a release from a laboratory that
is in close proximity to susceptible animals and provides the best
evidence in favor of an island location.
FMD has no health implications for humans, but it can have significant
economic consequences, as recent outbreaks in the United Kingdom have
demonstrated. The economic effects of an FMD outbreak in the United
States would depend on the characteristics of the outbreak and how
producers, consumers, and the government responded to it. Although
estimates vary, experts agree that the economic consequences of an FMD
outbreak on the U.S. mainland could be significant, especially for red
meat producers, whose animals would be at risk for diseases, depending
on how and where such an outbreak occurred.
We discussed our findings with both DHS and USDA. DHS officials told us
that in addition to the SAIC study, the results of the EIS would be
used to determine the safety of FMD work on the mainland. Previously,
DHS had stated categorically that the SAIC study allowed them to
conclude that FMD work can be done safely on the mainland. In light of
this, the recent DHS statement about the results of EIS clearly
conflict with the earlier position. Without detail information, it is
impossible to determine whether or not the EIS would contribute
significantly to addressing this issue. We asked but DHS would not
provide any information on what analysis they would do as part of the
EIS concerning biosafety. For example, it is not known to us whether or
not EIS will include an analysis of the factors that may lead to a
release of FMD virus from containment laboratories, for example, a
laboratory air pressure system going positive.
USDA officials stated that the German facility no longer meets the
actual definition of an island since it is now connected to the
mainland by road. We noted this in our testimony.
USDA officials also cited the Centers for Disease Control and
Prevention BSL-4 laboratory in Atlanta as an example of the safe
operation of high-containment laboratory in the middle of a densely
populated area. We believe that this example is not an appropriate
comparison to the FMD work involving large animals in BSL-3 Ag
laboratories. In a BSL-4 laboratory, work is done within a biological
safety cabinet, which provides the primary level of containment.
Accordingly, there is no contact between the human operator and the
infective material. The laboratory provides the secondary containment
and the laboratory staff is required to wear special protective
equipment to prevent any exposure to the pathogens. Furthermore,
according to experts we spoke with, the most dangerous human pathogens
have, fortunately, a much lower level of infectivity and
transmissibility than FMD. That is why we believe that this comparison
is not valid.
Unique risks are associated with BSL-3 Ag facilities, in contrast,
where the facility itself is considered the primary containment area.
Because large animals cannot be handled within a biological safety
cabinet, they are free to move around in a BSL-3 Ag laboratory, where
the laboratory walls provide the primary containment. Another important
distinction in a BSL-3 Ag laboratory is that there is extensive direct
contact between the human operator and the infected animal. It is also
worth noting that the infectious dose of FMD for cattle is about 10
virus particles. Because the virus can be carried in a person's lungs,
nostrils, or other body parts, the human becomes a potential avenue by
which the virus can escape the facility. This potential avenue for
escape of the virus outside the containment does not exist in BSL-4
laboratory.
Background:
FMD Is a Highly Contagious Animal Disease:
FMD is a highly contagious animal disease. [Footnote 12] It affects
cloven-hoofed animals such as cattle, sheep, goats, and pigs, and has
occurred in most countries of the world at some point during the past
century. [Footnote 13] It has 7 types and over 80 subtypes. Immunity
to, or vaccination for, one type of the virus does not protect animals
against infection from the other types. FMD-infected animals usually
develop blister-like lesions in the mouth, on the tongue and lips, on
the teats, or between the hooves. They salivate excessively or become
lame. Other symptoms include fever, reduced feed consumption, and
miscarriages. Cattle and pigs, which are very sensitive to the virus,
show disease symptoms after a short incubation period of 3 to 5 days.
The incubation period in sheep is considerably longer, about 10 to 14
days, and the clinical signs of the disease are usually mild and may be
masked by other diseases, thereby allowing FMD to go
unnoticed.[Footnote 14]
The mortality rate for young animals infected with FMD varies and
depends on the species and strain of the virus; in contrast, adult
animals usually recover once the disease has run its course. However,
because the disease leaves them severely debilitated, meat-producing
animals do not normally regain their lost weight for many months, and
dairy cows seldom produce milk at their former rate. Therefore, the
disease can cause severe losses in the production of meat and milk.
The FMD virus is easily transmitted and spreads rapidly. Before and
during the appearance of clinical signs, infected animals release the
virus into the environment through respiration, milk, semen, blood,
saliva, and feces. The virus may become airborne and spread quickly if
pigs become infected because pigs prolifically produce and excrete
large amounts of the virus into the air. Animals, people, or materials
that are exposed to the virus can also spread FMD by bringing it into
contact with susceptible animals. For example, the virus can spread
when susceptible animals come in contact with contaminated:
* animals;
* animal products, such as meat, milk, hides, skins, and manure;
* transport vehicles and equipment;
* clothes or shoes worn by people; and:
* hay, feedstuffs, or veterinary biologics.[Footnote 15]
FMD virus is the most infectious animal disease-causing virus. It has
been determined that for certain strains, the dose required to infect
cattle or sheep through inhalation is about 10 organisms (10 1 TCID50).
Infected pigs produce immense amounts of airborne virus. An infected
pig exhales 400 million organisms per day (10 8.6 TCID50). The
sensitivity of cattle to infection and the high levels of airborne
virus produced by infected pigs illustrate that the airborne spread of
infection is another important factor in FMD outbreaks.
FMD occurs throughout much of the world, and although some countries
have been free of FMD for some time, its wide host range and rapid
spread represent cause for international concern. After World War II,
the disease was widely distributed across the globe. In 1996, endemic
areas included Asia, Africa, and parts of South America. In North
America, the last outbreaks of FMD for the United States, Canada, and
Mexico occurred in 1929, 1952, and 1953, respectively.
North America, Australia, and Japan have been free of FMD for many
years. New Zealand has never had a case of FMD. Most European countries
have been recognized as disease free, and countries belonging to the
European Union have stopped FMD vaccination.
Plum Island Animal Disease Center:
Plum Island is a federally owned 840-acre island off the northeastern
tip of Long Island, New York. Scientists working at the facility are
responsible for protecting U.S. livestock against foreign animal
diseases that could be accidentally or deliberately introduced into the
United States. Plum Island's research and diagnostic activities stem
from its mission to protect U.S. animal industries and exports from
accidental or deliberate introduction of foreign animal
diseases.[Footnote 16] Plum Island's scientists identify the pathogens
that cause foreign animal diseases and work to develop vaccines to
protect U.S. livestock.[Footnote 17] The primary research and
diagnostic focus at Plum Island is foreign or exotic diseases that
could affect livestock, including cattle, pigs, and sheep. In addition
to FMD and classical swine fever, other types of livestock diseases
that have been studied at Plum Island include African swine fever,
rinderpest, and various pox viruses, such as sheep and goat pox.
Some of the pathogens maintained at Plum Island are highly contagious;
therefore, research on these pathogens is conducted in a biocontainment
area that has special safety features designed to contain them. If
accidentally released, these pathogens could cause catastrophic
economic losses in the agricultural sector. The biocontainment area
includes 40 rooms for livestock and is the only place in the United
States that is equipped to permit the study of certain contagious
foreign animal diseases in large animals. USDA uses this biocontainment
area for basic research, for diagnostic work, and for the clinical
training of veterinarians in the recognition of foreign animal
diseases. DHS now shares bench space with USDA in the biocontainment
area for its applied research. The North American Foot-and-Mouth
Disease Vaccine Bank is also located on Plum Island.[Footnote 18]
USDA was responsible for Plum Island until June 1, 2003, when
provisions of the Homeland Security Act of 2002 were implemented that
transferred Plum Island, including all its assets and liabilities, to
DHS.[Footnote 19] This action shifted overall responsibility for Plum
Island to DHS, including all the costs associated with the facility's
maintenance, operations, and security. The Act specified that USDA
would continue to have access to Plum Island to conduct diagnostic and
research work on foreign animal diseases, and it authorized the
President to transfer funds from USDA to DHS to operate Plum
Island.[Footnote 20]
Plum Island is now operated as part of a broader joint strategy
developed by DHS and USDA to protect against the intentional or
accidental introduction of foreign animal diseases. Under the direction
of DHS's Science and Technology Directorate, the strategy for
protecting livestock also includes work at DHS's National Center for
Food Protection and Defense and at its National Center for Foreign
Animal and Zoonotic Disease Defense, as well as at other centers within
the DHS homeland security biodefense complex. These include the
National Biodefense Analysis and Countermeasures Center and the
Lawrence Livermore National Laboratory. The strategy calls for building
on the strengths of each agency's assets to develop comprehensive
preparedness and response capabilities.
National Bio and Agro-Defense Facility:
Homeland Security Presidential Directive 9 tasks the Secretary of
Agriculture and the Secretary of Homeland Security to develop a plan to
provide safe, secure, and state-of-the-art agriculture biocontainment
laboratories for the research and development of diagnostic
capabilities for foreign animal and zoonotic diseases. To partially
meet these obligations, DHS has asked the Congress to appropriate funds
to construct NBAF, a new facility. This facility would house high-
containment laboratories able to handle the pathogens currently under
investigation at PIADC, as well as other pathogens of interest.
DHS selected five potential sites for NBAF in July 2007 and must
prepare an environmental impact statement (EIS) for each site.[Footnote
21] According to DHS, although not included in the competitive
selection process, the DHS-owned PIADC will now be considered as a
potential NBAF site, and DHS will also prepare an EIS for Plum Island.
(See table 1.)
Table 1: Final Candidate Sites for the Proposed National Bio and Agro-
Defense Facility:
Candidate: Department of Homeland Security;
Site: Plum Island, N.Y.
Candidate: Georgia Consortium for Health and Agro-Security;
Site: University of Georgia, Athens, Ga.
Candidate: Gulf States Bio and Agro-Defense Consortium;
Site: Flora Industrial Park, Madison County, Miss.
Candidate: Heartland Bio Agro Consortium;
Site: Kansas State University, Manhattan, Kans.
Candidate: North Carolina Consortium for the NBAF;
Site: Umstead Research Farm, Granville County, N.C.
Candidate: Texas Biological and Agro-Defense Consortium;
Site: Texas Research Park, San Antonio, Tex.
Source: DHS, [hyperlink,
http://www.dhs.gov/xres/labs/gc_1184180641312.shtm], and 72 Federal
Register (July 31, 2007): 41764.
[End of table]
DHS has asked for public comment on the selection process. Following
completion of the environmental impact statements and public hearings,
DHS expects to choose a site by October 2008 and to open NBAF in 2014.
According to DHS officials, the final construction cost will depend on
the site's location and may exceed the currently projected $451
million. Additional expenses, such as equipping the new facility and
relocating existing personnel and programs, may reach $100 million. DHS
has not yet determined what action to take with respect to PIADC when
construction of NBAF has been completed.[Footnote 22]
Evidence That FMD Work Can Be Conducted Safely on the U.S. Mainland Is
Lacking:
We found that DHS has neither conducted nor commissioned any study to
determine whether FMD work can be done safely on the U.S. mainland.
Instead, DHS relied on a study that USDA commissioned and a contractor
conducted in May 2002 that examined a different question: whether it is
technically feasible to conduct exotic disease research and
diagnostics, including FMD and rinderpest, on the U.S. mainland with
adequate biosafety and biosecurity to protect U.S. agriculture.
[Footnote 23] This approach fails to recognize the distinction between
what is technically feasible and what is possible, given the potential
for human error. DHS told us that this study has allowed it to conclude
that it is safe to conduct FMD work on the U.S. mainland.
In addition to a number of other methodological problems with the
study, we found that it was selective in what it considered in order to
reach its findings.[Footnote 24] In particular, the study:
1. did not assess the history of releases of FMD virus or other
dangerous pathogens,
2. did not address in detail the issues related to large animal work in
BSL-3 Ag facilities, and:
3. was inaccurate in comparing other countries' FMD work experience
with that of the United States.
A comprehensive analysis to determine if FMD work could be conducted
safely on the U.S. mainland would have considered these points, at a
minimum. DHS did not identify or remedy these deficiencies before using
the USDA study to support its conclusions. Consequently, we believe DHS
does not have evidence to conclude that FMD work can be done safely on
the U.S. mainland.[Footnote 25]
The Study Did Not Examine the Evidence from Past Releases of FMD or
Other Dangerous Pathogens:
We found no evidence that the study examined data from past releases of
FMD--particularly the release of FMD on Plum Island in 1978--or the
history of internal releases at PIADC. The study did not assess the
general history of accidents within biocontainment laboratories, and it
did not consider the lessons that can be learned from a survey of the
causes of such accidents. Such a survey would show that technology and
operating procedures alone cannot ensure against a release, since human
error can never be completely eliminated and since a lack of commitment
to the proper maintenance of biocontainment facilities and their
associated technology--as the Pirbright facility showed--can cause
releases.
The study panel members we interviewed said that no data on past
accidents with or releases of either FMD or other pathogens was
systematically presented or discussed. Rather, the panel members
recalled that they relied on their own knowledge of and experience with
the history of releases in a general discussion.
The release of FMD virus from facilities is very rare. In fact, the
incidence of the release of any dangerous pathogen from modern
containment facilities is quite low. During the vast majority of the
time, such facilities have been operating safely. Some releases have
occurred, however. Table 2 lists known and attributed releases of FMD
virus from laboratories worldwide, including those that produce
vaccines.
Table 2: Years Foot-and-Mouth Virus Is Known or Believed to Have Been
Released from Laboratories:
Year: 1960, Jan;
Country: United Kingdom.
Year: 1968;
Country: Denmark.
Year: 1969;
Country: Czechoslovakia.
Year: 1972;
Country: Hungary.
Year: 1974;
Country: Germany.
Year: 1975;
Country: Czechoslovakia.
Year: 1976;
Country: Germany.
Year: 1977;
Country: Germany.
Year: 1978, Sept;
Country: United States.
Year: 1979;
Country: Spain.
Year: 1987;
Country: Germany.
Year: 1988;
Country: Germany.
Year: 1993;
Country: Russia.
Year: 2007, July;
Country: United Kingdom.
Source: GAO analysis of UK's Department of Environment, Food, and Rural
Affairs.
[End of table]
A particular deficiency in the 2002 USDA study was the omission of any
explicit analysis of the release of FMD virus from Plum Island itself
in 1978. In September of that year, FMD virus was found to have
infected clean animals being held outside the laboratory compound in
the quarantined animal supply area of PIADC. The exact route by which
the virus escaped from containment and subsequently infected the animal
supply was never definitely ascertained. An internal investigation
concluded that the most probable routes of escape of the virus from
containment were (1) faulty air balance of the incinerator area, (2)
leakage through inadequately maintained air filter and vent systems,
and (3) seepage of water under or through a construction barrier near
the incinerator area. Animal care workers then most likely carried the
disease back to the animal supply area on the island, where it infected
clean animals being held for future work. (See table 3.)
Table 3: Deficiencies Noted as Contributing to a 1978 Release of FMD
Virus at Plum Island:
Issue: Air balance;
Deficiency: Deficient recordkeeping.
Issue: Air balance;
Deficiency: Exhaust air filters in poor state of repair.
Issue: Air balance;
Deficiency: Improperly wired exhaust air handling units.
Issue: Air balance;
Deficiency: Failure to follow normal procedures.
Issue: Exhaust air filters;
Deficiency: Failure to inspect and test new filters after changing.
Issue: Exhaust air filters;
Deficiency: Failure to maintain filter gaskets.
Issue: Exhaust air filters;
Deficiency: Insufficient personnel.
Issue: Movement of personnel;
Deficiency: Change in procedures.
Issue: New construction;
Deficiency: Containment barrier removed before building replacement
barrier.
Issue: New construction;
Deficiency: Improperly built temporary construction barrier.
Source: GAO analysis of USDA data.
[End of table]
An analysis of the deficiencies underlying these probable routes of
escape noted during the investigation show that all were related to
human error and that none were related to insufficient containment
technology. Any one of these deficiencies could happen in a modern
facility, since they were not a function of the technology or its
sophistication, procedures or their completeness, or even, primarily,
the age of the facility. The deficiencies were errors in human judgment
or execution and, as such, could occur today as easily as they did in
1978.
In addition, a number of incidents at PIADC have resulted in internal
releases such that animals within the laboratory compound inadvertently
became infected, although no FMD virus was released outside the
facility. These incidents show that technology sometimes fails,
facilities age, and humans make mistakes. Table 4 lists known internal
releases of FMD virus at PIADC since 1971.
Table 4: Internal Releases of Foot-and-Mouth Virus at Plum Island, 1971-
2004:
Date: Sept. 1971;
Incident: A scientific publication in the proceedings of the 75th
Annual Meeting of the U.S. Animal Health Association in 1971 identified
the accidental infection of two steers. The infection was believed to
have been caused by an air leak found in a door gasket. This resulted
in an infectious aerosol being drawn into the room because of lower air
pressure. Two steers in the acute clinical stage of infection with FMD
had been moved through an adjacent corridor;
5 days later, the two steers maintained in the room had clinical signs
and lesions of FMD of the same virus type as the animals in the
adjacent corridor. The door seals in use at that time were not self-
inflating. This problem is addressed today with inflatable seals that
close the gap around doors and prevent aerosol entry;
Probable cause: An air leak in a door gasket.
Date: Apr.12, 1974;
Incident: Two steers in the West Animal Wing developed symptoms of FMD.
The animals had never been inoculated with intentionally exposed to any
infectious agents, but both exhibited signs of disease and both were
determined to be infected with FMD. An investigation determined that
FMD probably came into the animal room through leaks in the walls. A
power failure may also have resulted in a difference in pressure
between two rooms, causing virus to flow from an infected room into the
one housing the steer. Preventative maintenance of the rooms was
conducted to prevent re-occurrence;
Probable cause: Leaks in the walls combined with a power failure.
Date: Aug. 21, 1980;
Incident: Eighteen steers being used in a vaccine trial had been
vaccinated with a Type C PIADC-produced FMD vaccine. Before challenge,
approximately half the animals were found to have fever and lesions
indicative of FMD. Further study identified that the animals had Type O
and Type C antibodies. Because they had not been vaccinated for the
Type O strain, these antibodies were related to an unknown exposure.
The actual cause of this outbreak was not identified, but it could have
been a mechanical transfer in which a laboratory worker carried the
virus into the facility and transmitted it to the animals;
Probable cause: Mechanical transfer by a laboratory worker.
Date: Feb. 24, 1981;
Incident: Four steers vaccinated 60 days earlier with FMD Type O were
found to be infected with Type A. The actual cause of this incident was
not identified;
it was determined that cross- contamination from other areas in the
laboratory was the most likely cause;
Probable cause: Cross-contamination from an unknown source.
Date: May 26, 1987;
Incident: One of two Heifers housed in the East Animal Wing was found
to be infected with FMD without previous inoculation or known exposure
to the virus. On testing, the animal was found to be infected with FMD
virus Type O. Investigation determined that Type O virus had been used
in research experiments in two nearby rooms. The infected animals in
these other rooms had been euthanized and the carcasses transported
down the outside corridor. It was determined that the potential cause
of the incident was fluids leaking during transport or an aerosol
created from the bags used for transport. Negative air pressure in the
animal room could then have resulted in cross-contamination from the
hallway. Actions were taken to replace equipment used in transport and
to decontaminate corridors more thoroughly;
Probable cause: Fluids leaking during transport of carcasses.
Date: June 24, 2004;
Incident: Two cattle in the East Wing, Room 1178, not involved in live
virus research were observed with clinical signs of FMD. Testing
identified them as being infected with Type O FMD. In addition, on July
19, 2004, four pigs in a separate, Orient Wing room not involved in
live virus research were observed with clinical FMD. Subsequent testing
revealed a different strain Type O. Although no specific cause was
found for either incident, the most likely cause was cross-
contamination from other areas in the laboratory. New animal care
protocols were instituted to restrict direct access from the
laboratories to the animal wings. The new protocols included a single
point of entrance to animal wings for authorized personnel who had
undergone extensive training in biosafety measures, laboratory clothing
exchanged before entering the animal wing, mandatory showering on
exiting from animal rooms (even if they contained uninfected animals),
and decontamination of all laboratory samples coming in or being
removed from the animal rooms. Since this new control was initiated,
there have been no other instances of cross-contamination inside the
animal wing;
Probable cause: Cross-contamination from an unknown source.
Source: GAO analysis of DHS and USDA data.
[End of table]
These incidents involved human error, lack of proper maintenance,
equipment failure, and deviation from standard operating procedures.
Many were not a function of the age of the facility or the lack of
technology and could happen in any facility today. While these
incidents did not directly result in any external release, they could
have been useful in the 2002 study in illustrating the variety of ways
in which internal controls--especially in large animal biocontainment
facilities--can be compromised.
Given the rarity of the release of FMD virus from laboratories, and how
relevant its release is to the question of moving FMD work off its
present island location, we believe that the 2002 study was remiss in
not more explicitly considering this matter. In fact, members of the
panel we spoke with could recall little, if any, discussion of
incidents of release at Plum Island.
Beyond the history of incidents at Plum Island, we found no evidence
that the study considered the history of accidents in or releases from
biocontainment facilities generally. Had the study considered this
history, it would have shown that no facility for handling dangerous
pathogens can ever be completely safe and that no technology can be
totally relied on to ensure safety.
The study found that "today's technology is adequate to contain any
biosafety risks at any site."[Footnote 26] While we agree that
technology--biocontainment facilities, filtration technologies, and the
like--has come a long way and is a critical component of biosafety, we
believe that it is inadequate by itself in containing biosafety risks.
A comprehensive biosafety program involves a combination of
biocontainment technology, proper procedures, and properly trained
people. The study also concurred that "biosafety is only as effective
as the individual who practices it."[Footnote 27]
Even with a proper biosafety program, human error can never be
completely eliminated. Many experts told us that the human component
accounts for the majority of accidents in high-containment
laboratories. This risk persists, even in the most modern facilities
and with the latest technology. The 2002 study, in fact, acknowledged
this, although it did not elaborate on the critical role that people
play in keeping biocontainment laboratories safe when it stated that
"biosafety is only as effective as the individual who practices it."
The study's summary conclusion that "biocontainment technology allows
safe research" is, therefore, disingenuous.[Footnote 28]
Finally, as we have reported previously, the maintenance of any
biocontainment facility or technology plays a critical role in
biosafety. [Footnote 29] For example, the lack of proper maintenance
was one of the probable routes of escape in the 1978 release at Plum
Island. High-containment laboratories are highly sophisticated
facilities that require specialized expertise to design, construct,
operate, and maintain. Because they are intended to contain dangerous
microorganisms, usually in liquid or aerosol form, even minor
structural defects--such as cracks in the wall, leaky pipes, or
improper sealing around doors--can often have severe consequences. For
example, leaking drainage pipes was determined to be the likely cause
of the FMD outbreak at Pirbright in 2007.
According to the experts we talked with, failure to budget for and
conduct regular inspections and maintenance of biocontainment
facilities is a risk to which even the most modern facilities are
susceptible. All the experts we talked with, including the panel
members who contributed to the 2002 study, emphasized the importance of
effective maintenance and the need to protect maintenance budgets from
being used for other purposes. One official told us, for example, that
as his containment facility ages, he is spending more and more of his
operating budget on maintenance and that, in fact, he is having to
offset the rise in maintenance costs from other categories of funding
within his overall budget.
The Study Did Not Address in Detail the Issues of Containment Related
to Large Animals Infected with FMD:
The 2002 study did not address in detail the issues of containment
related to large animals like cattle and pigs, which present problems
very different from those of laboratory animals like rats, mice, and
guinea pigs. It did not address the unique risks associated with the
special containment spaces required for large animals or the impact of
highly concentrated virus loads on such things as the air filtration
systems.
Large animals cannot be kept in containers. They must be allowed
sufficient space to move around in. Handling large animals within
confined spaces--a full size cow can weigh up to 1,430 pounds--can
present special dangers for the scientists as well as the animal
handlers. Moving carcasses from contained areas to necropsy or
incineration poses additional risks. For example, one of the internal
releases of FMD virus at PIADC happened in transporting large animal
carcasses from contained rooms through to incineration.
Although it could not have been known to the study group in 2002,
transferring FMD work to NBAF is to be accompanied by an increase in
both scope and complexity over the current activities at PIADC. These
increases in scope and complexity would mean an increase in the risk
associated with work at the new facility. For example, the proposed BSL-
3 Ag space at the new NBAF is projected to be almost twice the size of
the space currently at PIADC and is to accommodate many more large
animals. USDA's Agricultural Research Service animal holding area
requirements at PIADC specify space for 90 cattle, 154 swine, or 176
sheep (or combinations thereof). Translational studies will involve
clinical trials with aerosolized FMD virus challenging groups of 30 to
45 animals and lasting 3 to 6 months. This is contrasted with about 16
large animals that PIADC can process today.[Footnote 30]
Moreover, unique risks are associated with BSL-3 Ag facilities, where
the facility itself is considered the primary containment area. In a
standard BSL-3 laboratory, in contrast, work is done within a
biological safety cabinet, which provides the primary level of
containment, eliminating direct contact between the human operator and
infected material. The outer parts of the facility walls thus provide a
secondary barrier. Because large animals cannot be handled within a
biological safety cabinet, they are free to move around in a BSL-3 Ag
laboratory, where the laboratory walls provide the primary
containment.[Footnote 31]
An important difference between a standard BSL-3 laboratory, such as
those used with human pathogens, and a BSL-3 Ag laboratory therefore is
that in the latter there is extensive direct contact between the human
operator and the infected animal and, consequently, the virus. Because
the virus can be carried in a person's lungs, nostrils, or other body
parts, the human becomes a potential avenue by which the virus can
escape the facility. Special biosafety procedures are needed--for
example, a full shower upon exiting containment, accompanied by
expectorating to clear the throat and blowing through the nose to clear
the nasal passages. Additionally, a 5-to-7-day quarantine period is
usually imposed on any person who has been within containment where FMD
virus is present, a tacit acknowledgment that humans can carry the
disease out with them even after these additional procedures. Although
the study mentioned these matters, it gave no indication that these
unique risks associated with working in large animal biocontainment
facilities informed the study's eventual findings.
We also found that the study did not consider other safety issues
specific to FMD. For example, the study did not look at the likely
loads that air filtration systems have to deal with, especially in the
case of pigs infected with FMD virus--which, through normal expiration,
excrete very large amounts of virus-laden aerosols. Properly fitted and
maintained high-efficiency particulate air (HEPA) filters are a key
factor in all modern biocontainment facilities and have a record of
being highly effective in keeping aerosolized pathogens, including
viruses, contained. Nevertheless, they do not represent an absolute
barrier. The typical standard for such filters is that they must
operate with an efficiency of at least 99.97 percent.[Footnote 32]
Often the highest level-containment laboratories use two HEPA filters
in series, in addition to prefiltration systems, to gain increased
efficiency. However, we found no indication that the study examined
specific filtration issues with the FMD virus or that it questioned the
efficiency of such systems specifically in relation to a high-volume
challenge of virus, a concern that, while remote, should not have been
dismissed, given the very low dose of FMD virus required for animals to
become infected.[Footnote 33]
The Study Was Inaccurate in Comparing Other Countries' FMD Work
Experience with the Situation in the United States:
The study cited the experience of three countries around the world in
working with FMD--Australia, Canada, and the United Kingdom. While the
study cited Australia as a foreign precedent, it noted that Australia
has not conducted any FMD work on the mainland. In fact, Australia--by
law--does not allow any FMD work on the mainland. In this respect, it
is even more restrictive than the United States. Australia maintains a
ban on live virus FMD work at all its laboratories, whether on
mainland, island, or peninsula, including the laboratory at Geelong--
considered by many to be the premier laboratory in the world in terms
of state-of-the-art animal containment technology. Australia mitigates
the risk FMD poses to its livestock by outsourcing its FMD work to
other countries.[Footnote 34]
The Canadian laboratory at Winnipeg was not in operation at the time of
the 2002 study and is not appropriately compared to the U.S. situation.
Canada has decided to conduct FMD work on the mainland. However, it is
in a downtown location where there is little likelihood that
susceptible animals will be in the immediate neighborhood. In addition,
its scope of work for FMD is smaller than the present FMD work at the
PIADC facility or the proposed facility. The proposed U.S. sites are
potentially more likely to pose a risk, given their closer proximity to
susceptible animal populations.
The 2002 study used the U.K. Pirbright facility as an example of a
precedent for allowing FMD work on the mainland. The study participants
could not have known in 2002, however, that an accidental release of
FMD virus at the Pirbright facility in 2007 led directly to eight
separate outbreaks of FMD on farms surrounding the Pirbright
laboratory. This fact highlights the risks of release from a laboratory
that is in close proximity to susceptible animals and provides the best
evidence in favor of an island location.
Finally, the study did not consider the German and Danish situations.
For example, all FMD work with large animals in Germany is restricted
to Riems, an island just off the northeastern coast of Germany in the
Baltic Sea.[Footnote 35] FMD work in Germany was originally restricted
to the island in the1910s. During the post-World War II period, when
Riems was controlled by East Germany, West Germany maintained a
separate mainland facility for its FMD research, but after re-
unification, Germany again decided to restrict all FMD research to
Riems and disestablished the mainland facility. Construction is
currently under way to expand the facility on the island at Riems.
Similarly, Denmark restricts all FMD work to the National Veterinary
Institute Department of Virology, on the island of Lindholm. The Danish
government has recently made a further commitment to Lindholm and has
rebuilt a new BSL-3 Ag laboratory exclusively for FMD work on the
island.
Given That Releases Can Occur from Any Biocontainment Facility, an
Island Location Can Provide Additional Protection:
While location confers no advantage in preventing a release, location
can help prevent the spread of FMD virus and a resulting disease
outbreak, if there is a release. An island location can help prevent
the spread of FMD virus along terrestrial routes, such as by vehicles
splashed with contaminated mud or other material. An examination of the
empirical evidence of past FMD releases from research facilities shows
that an island location can help keep a release from becoming a more
general outbreak. Another benefit of an island location is that it
provides a permanent geographical barrier that may not be impregnable
but that can more easily allow the Office International des Epizooties
(OIE) to declare the rest of the U.S. mainland disease-free from FMD if
there happened to be a release on the island.[Footnote 36]
Experts we spoke with--including a number of the expert panel members
from the 2002 study--agreed that an island location provides additional
protection. They agreed that all other factors being equal, FMD
research can be conducted more safely on an island than in a mainland
location.[Footnote 37]
A comparison of the releases at Plum Island in 1978 and Pirbright in
2007 provides evidence that an island location can help keep a release
from becoming a more general outbreak. In September 1978, FMD virus was
found to have been released from containment at PIADC. The exact route
of escape was never definitely ascertained, but clean animals held on
the island in the animal supply area outside the laboratory compound
became infected with FMD.
However, no virus was ever found off the island. In fact, when the
subsequent investigation by USDA's Animal and Plant Health Inspection
Service on the mainland of Long Island found that no spread of FMD,
OIE--in consideration of PIADC's island location--continued to
officially consider the United States as a whole free from FMD. This
was a significant declaration that allowed the continued unrestricted
export of U.S. animal products from the mainland.
In summarizing the 1978 FMD virus release, the PIADC Safety
Investigation Committee identified three main PIADC lines of defense
that stood as barriers against the escape of disease agents: (1) the
design, construction, and operation of its laboratory buildings; (2)
its restrictions on the movement of personnel, materials, supplies, and
equipment; and (3) the island location.[Footnote 38] This internal
investigation concluded that although the first two barriers had been
breached, probably by human error, the final line of defense--the
island location--succeeded in containing the release from becoming a
wider outbreak beyond PIADC itself.
The 1978 release at Plum Island can be compared to the release at
Pirbright in the summer of 2007. Pirbright is located on the mainland
of Great Britain in Surrey, a semi-agricultural area just southwest of
London. The U.K. Institute for Animal Health and Merial, a commercial
vaccine production plant, are collocated there, and both work with FMD
virus. The site is surrounded by a number of "hobby farms," on some of
which 40 to 50 cattle are bred and raised. In summer 2007, cattle on
farms near the Pirbright facility became infected with FMD. Subsequent
investigations concluded that the likely source of the release was a
leaking drainage pipe at the facility that carried waste from the
contained areas to an effluent treatment plant. The virus was then
spread onto local farms by the splashing of contaminated mud onto
vehicles that had unrestricted access to the contaminated area and
could easily drive onto and off the site. The investigations determined
that there had been a failure to properly maintain the site's
infrastructure. In all, eight separate outbreaks occurred over a 2-
month period.
A key difference, of course, between the Pirbright incident in 2007 and
the incident at Plum Island in 1978 is that virus did not spread off
the Plum Island.
Similarly, escapes in 1968 in Denmark from the Lindholm facility and in
the 1970s in Germany from the Riems facility, when compared to
Pirbright in 2007, also demonstrate the benefit of an island location
in containing a release.
An Island Facility Could More Easily Allow the United States to
Maintain Disease-Free Status If a Release Were to Occur:
Since 1996, OIE has provided a procedure for officially recognizing the
sanitary status of countries with regard to particular animal diseases,
including FMD. A country can apply for and be granted disease-free
status if it can prove that a disease is not present in the country. Ad
hoc groups of international experts examine countries' applications for
official recognition of sanitary status. An elected Specialist
Commission reviews the recommendations of these groups and either
accepts or rejects them.
If an outbreak does occur, procedures exist for countries to regain
their disease-free status. This offers significant economic benefit,
because export bans can exist for countries not considered disease-
free. In 2002, GAO reported that an export ban on U.S. livestock
products because of an FMD outbreak in the United States, similar to
the 2001 outbreak in the United Kingdom, could result in losses of $6
billion to $10 billion a year while the nation eradicated the disease
and regained disease-free status.[Footnote 39]
Instead of revoking the U.S. disease-free status in response to the
1978 release at Plum Island, OIE continued to consider the United
States as a whole free from FMD. This was because of the facility's
island location. This status from OIE allowed the United States to
continue exporting animal products from the mainland after the release
was identified. However, these OIE officials said that if a similar
release were to occur from a facility on the U.S. mainland, OIE would
most likely not be able to declare the United States disease-
free.[Footnote 40] In their view, the island location provides a
natural "zoning" ability that, under OIE's rules, more easily allows
the country to prove the compartmentalization that is necessary for
retaining "disease-free" status.
The Economic Consequences of an FMD Outbreak in the United States Could
Be Significant:
While humans cannot become infected with FMD through contact with
infected animals or through eating products of diseased animals, still,
FMD can have economic consequences, as recent outbreaks in the United
Kingdom have demonstrated. Although estimates vary, experts agree that
the economic consequences of an FMD outbreak on the U.S. mainland could
be significant, especially for red meat producers whose animals would
be at risk for diseases, depending on how and where such an outbreak
occurred.
The Economic Impact of the 2001 FMD Outbreak in the United Kingdom:
According to a study by the U.K. National Audit Office, the direct cost
of the 2001 FMD outbreak to the public sector was estimated at over
$5.71 billion and the cost to the private sector was estimated at over
$9.51 billion.[Footnote 41] By the time the disease was eradicated, in
September 2001, more than six million animals had been slaughtered:
over four million for disease control purposes and two million for
welfare reasons.[Footnote 42]
Compensation and other payments to farmers were expected to total
nearly $2.66 billion. Direct costs of measures to deal with the
epidemic, including the purchase of goods and services to eradicate the
disease, were expected to amount to nearly $2.47 billion. Other public
sector costs were estimated at $0.57 billion.[Footnote 43]
In the private sector, agriculture and the food chain and supporting
services incurred net costs of $1.14 billion. Tourism and supporting
industries lost revenues eight times that level--$8.56 billion to
$10.27 billion, when the movement of people in the countryside was
restricted. The Treasury had estimated that the net economic effect of
the outbreak was less than 0.2 percent of gross domestic product,
equivalent to less than $3.8 billion.[Footnote 44]
The Potential Impact of an FMD Outbreak in the United States:
The possibility of the introduction of FMD into the United States is of
concern because this country has the largest fed-cattle industry in the
world, and it is the world largest producer of beef, primarily high-
quality, grain-fed beef for export and domestic use.
Although estimates of the losses vary, experts agree that the economic
consequences of an FMD outbreak on the U.S. mainland could mean
significant losses, especially for red meat producers, whose animals
would be at risk for disease, depending on how and where an outbreak
occurred. Current estimates of U.S. livestock inventories are 97
million cattle and calves, 7 million sheep, and 59 million hogs and
pigs, all susceptible to an FMD outbreak. The total value of the cash
receipts for U.S. livestock in 2007 was $141.4 billion. The total
export value of red meat in 2007 was $6.4 billion. These values
represent the upper bound of estimated losses.
Direct costs to the government would include the costs of disease
control and eradication, such as the maintenance of animal movement
controls, control areas, and intensified border inspections; the
destruction and disposal of infected animals; vaccines; and
compensation to producers for the costs of disease containment.
However, government compensation programs might not cover 100 percent
of producers' costs. As a result, direct costs would also occur for
disinfection and for the value of any slaughtered animals not subject
to government compensation.
According to the available studies, the direct costs of controlling and
eradicating a U.S. outbreak of FMD could vary significantly, depending
on many factors including the extent of the outbreak and the control
strategy employed.
Indirect costs of an FMD outbreak would include costs affecting
consumers, ancillary agricultural industries, and other sectors of the
economy. For example, if large numbers of animals were destroyed as
part of a control and eradication effort, then ancillary industries
such as meat processing facilities and feed suppliers would be likely
to lose revenue.
Furthermore, an FMD outbreak could have adverse effects such as
unemployment, loss of income (to the extent that government
compensation would not fully reimburse producers), and decreased
economic activity, which could ripple through other sectors of the
economy as well. However, our analyses show that these effects would
likely be local or regional and limited in scope.
The economic effects of an FMD outbreak would depend on the
characteristics of the outbreak and how producers, consumers, and the
government responded to it. The scale of the outbreak would depend on
the time elapsed before detection and the number of animals exposed,
among other factors. Costs to producers of addressing the disease
outbreak and taking steps to recover would similarly vary. The
responses of consumers in the domestic market would depend on their
perceptions of safety, as well as changes in the relative prices of
substitutes for the affected meat products, as supply adjusted to the
FMD disruption. In overseas markets, consumers, responses would be
mediated by the actions their governments would take or not take to
restrict imports from the United States. Because an overall estimate of
effects depends heavily on the assumptions made about these variables,
it is not possible to settle on a single economic assessment of the
cost to the United States of an FMD outbreak. We have reviewed
literature that considers but a few of the many possible scenarios in
order to illustrate cost components and to consider the possible market
reaction rather than to predict any particular outcome.
Conclusions:
DHS believes that modern technology, combined with biosafety practices,
can provide for a facility's safe operation on the U.S. mainland. Most
experts we talked with believe that technology has made laboratory
operations safer over the years. However, accidents, while rare, still
occur because of human or technical errors. Given the non-zero risk of
a release from any biocontainment facility, most of the experts we
spoke with told us that an island location can provide additional
protection.
DHS has not conducted any studies to determine whether FMD work can be
done safely on the mainland. Instead, in proposing to move FMD virus to
the mainland, DHS relied on a 2002 USDA study that addressed a
different question. That study does not clearly support the conclusion
that FMD work can be done safely on the mainland.
An island location can help prevent the spread of FMD virus along
terrestrial routes, such as by vehicles splashed with contaminated mud,
and may also reduce airborne transmission. Historically, the United
States and other countries as well have seen the benefit of an island
location, with its combination of remoteness from susceptible species
and a permanent water barrier.
Although FMD has no human-health implications, recent outbreaks in the
United Kingdom have demonstrated its economic consequences. Estimates
for the United States vary but would depend on the characteristics of
the outbreak and how producers, consumers, and the government responded
to it.
Contacts and Acknowledgments:
For further information regarding this statement, please contact Nancy
Kingsbury, Ph.D., at (202) 512-2700 or [email protected], or Sushil K.
Sharma, Ph.D., Dr.PH, at (202) 512-3460 or [email protected]. Contact
points for our Offices of Congressional Relations and Public Affairs
may be found on the last page of this statement. William Carrigg, Jack
Melling, Penny Pickett, and Elaine Vaurio made key contributions to
this statement.
[End of section]
Footnotes:
[1] 21 U.S. Code �113a.
[2] Public Law 107-296, �310, 116 Stat. 2135, 2174 (2002), codified at
6 U.S. Code �190.
[3] 6 U.S. Code �542(b)(3).
[4] HSPD-9 tasked the Secretary of Agriculture and the Secretary of
Homeland Security with developing a plan to provide safe, secure, and
state-of-the-art agriculture biocontainment laboratories that research
and develop diagnostic capabilities for foreign animal and zoonotic
diseases. HSPD-9 also tasks the Secretaries of Homeland Security,
Agriculture, and Health and Human Services, the Administrator of the
Environmental Protection Agency, and the heads of other appropriate
Federal departments and agencies, in consultation with the Director of
the Office of Science and Technology Policy, with the acceleration and
expanded development of current and new countermeasures against the
intentional introduction or natural occurrence of catastrophic animal,
plant, and zoonotic diseases". "Defense of United States Agriculture
and Food," Homeland Security Presidential Directive/HSPD-9, The White
House, Washington, D.C., Jan. 30, 2004, secs. 23 and 24. [hyperlink,
http://www.whitehouse.gov/news/releases/2004/02/20040203-2.html].
[5] Since by law, research on FMD virus is not permitted on the U.S.
mainland, except by permit, USDA would have to issue DHS a permit if
NBAF is constructed on the mainland, or the Congress would have to
waive the statutory provision.
[6] A zoonotic disease is one that can be transmitted from animals to
people or, more specifically, that normally exists in animals but that
can infect humans.
[7] The study, prepared for USDA by Science Applications International
Corporation (SAIC), was entitled United States Department of
Agriculture Biocontainment Feasibility Studies, Study Report: Plum
Island Animal Disease Center (Washington, D.C.: Aug. 15, 2002), (p. 1).
[8] A BSL-3 Ag facility is a special type of biosafety laboratory that
is used with large animals. It employs policies and practices such as
(1) shower upon exit, (2) blow nose and expectorate to clear nasal and
throat passages, (3) clean underneath fingernails with nail files, (4)
scrub hands and arms with soap using a brush, and (5) soak eyeglasses
in a decontamination solution.
[9] In the case of Germany, since 1971 the island has been connected to
the mainland by a causeway. For ecological reasons this has been
interrupted in late 2007 by construction of a roadbridge so that access
to the island is still possible.
[10] Biosafety laboratories are classified by the type of agents used
in them and the risk those agents pose to personnel, the environment,
and the community. The Department of Health and Human Services'
Biosafety in Microbiological and Biomedical Laboratories has four
biosafety levels, with BSL-4 the highest. The levels include
combinations of laboratory practices and techniques, safety equipment,
and facilities that are recommended for laboratories that conduct
research on potentially dangerous agents and toxins.
[11] Australia only allows work with inactivated FMD viruses at
Geelong.
[12] FMD virus is the prototypic member of the Aphthovirus genus in the
Picornaviridae family. This picornavirus is the etiologic agent of the
acute systemic vesicular disease that affects cattle and other animals
worldwide.
[13] Horses, dogs, and cats are not susceptible but could spread the
virus by carrying it on their hair.
[14] GAO, Foot and Mouth Disease: To Protect U.S. Livestock, USDA Must
Remain Vigilant and Resolve Outstanding Issues, GAO-02-808 (Washington,
D.C.: July 26, 2002), p. 12.
[15] A veterinary biologic is a product used for diagnosing,
preventing, and treating an animal disease. Such products include
vaccines and kits for diagnosing specific animal diseases.
[16] GAO, Plum Island Animal Disease Center: DHS and USDA Are
Successfully Coordinating Current Work, but Long-Term Plans Are Being
Assessed, GAO-06-132 (Washington, D.C.: Dec. 19, 2005).
[17] USDA conducts research on high-priority diseases affecting animals
besides livestock, such as poultry, at other locations. For example,
diseases like Newcastle disease and avian influenza, which affect
poultry, are studied at USDA's Southeast Poultry Research Laboratory in
Athens, Georgia. USDA's National Animal Disease Center in Ames, Iowa,
studies indigenous diseases of livestock and poultry, including
brucellosis. USDA performs diagnostics on these diseases at the
National Veterinary Services Laboratories in Ames, Iowa.
[18] There is no universal FMD vaccine that is effective for all
subtypes of FMD. The United States stockpiles some FMD vaccines at the
North American Foot-and-Mouth Disease Vaccine Bank on Plum Island.
However, these vaccines are not stored in a "ready-to-use" state. That
is, they are stored as a vaccine antigen concentrate that requires
finishing in order to be used.
[19] Pub. L. 107-296, �310, 116 Stat. 2135, 2174 (2002), codified at 6
U.S. Code �190.
[20] 6 U.S. Code �542(b)(3).
[21] All federal agencies are required to comply with the National
Environmental Policy Act, 1142 U.S. Code �� 4321-4347. Under the act,
agencies evaluate the likely environmental effects of projects that
could significantly affect the environment.
[22] The final disposition of the existing PIADC facilities and
infrastructure, regardless of whether Plum Island is the selected site,
is not known to us.
[23] SAIC, United States Department of Agriculture Biocontainment
Feasibility Studies, Study Report. The study examined a number of other
questions concerning a possible move of PIADC to the mainland, in
addition to the questions on technical feasibility regarding biosafety
and biosecurity.
[24] Among other things, (1) the study used an ad hoc method to select
its expert panel that was not necessarily free from bias; (2) the study
report was written by a single third-party person under contract for
that purpose who was not present during the panel discussions; and (3)
no concern was taken to ensure that the expert panel members reviewed
either the draft or the final version of the report. At least one
expert panel member expressed disappointment with the slant of the
report.
[25] As required by the National Environmental Policy Act, DHS must
prepare an EIS for each of the six potential NBAF sites. DHS told us
that each EIS will contain an analysis of site-specific environmental
consequences, given, among other things, an accidental release of FMD
at the site. However, DHS would not give us specifics on what this
analysis will contain or which accident scenarios are being considered.
DHS told us that the draft EIS for each site is due at the end of May
2008.
[26] SAIC, United States Department of Agriculture Biocontainment
Feasibility Studies, Study Report, p. 16.
[27] SAIC, United States Department of Agriculture Biocontainment
Feasibility Studies, Study Report, p. 16.
[28] SAIC, United States Department of Agriculture Biocontainment
Feasibility Studies, Study Report, p. ii.
[29] GAO, High Containment Biosafety Laboratories: Preliminary
Observations on the Oversight of the Proliferation of BSL-3 and BSL-4
Laboratories in the United States, GAO-08-108T (Washington, D.C.: Oct.
4, 2007), pp. 22-23.
[30] In addition to an increase in the number of large animals being
processed, the new facility is to house a vaccine production plant with
a capacity of up to 30 liters--a significant increase in volume of FMD
virus than is handled at PIADC.
[31] In some cases, a BSL-3 Ag facility can be placed within another
containment area for additional protection.
[32] Institute of Environmental Sciences and Technology, IEST-RP-
CC001.3 and MIL-STD-282 Method 102.9.1, are typical standards applied
for HEPA filtration. It has been shown that because of the unique
design of HEPA filters, they are least efficient around the 0.3 micron
particle size and the efficiency benchmark of 99.97 is applied at that
particle size.
[33] Few, if any, empirical studies examin the true efficiency of HEPA
filtration against a specific challenge of FMD virus. One expert in
airborne transmission of FMD virus told us that while it is
theoretically possible for transmission through HEPA filters to occur,
to his knowledge there has never been a documented case.
[34] Australia contracts, for example, with laboratories in Thailand
for its live FMD research and challenge work.
[35] The character of the island has changed over time. Whereas in the
past, it could only be reached by boat or suspended cablecar, since
1971 it is connected to the mainland by a causeway. For ecological
reasons this has been interrupted in late 2007 by construction of a
roadbridge so that access to the island is still possible.
[36] OIE is the intergovernmental organization responsible for
improving animal health worldwide. The need to fight animal diseases at
the global level led to the creation of the Office International des
Epizooties through an international agreement signed on January 25,
1924. In May 2003, OIE became the World Organisation for Animal Health
but kept its identity as OIE.
[37] The members of the expert panel involved in the 2002 study we
talked with told us that the advantages of an island location had not
been extensively considered. Rather, the discussion focused on the
availability of modern facilities and technology and the fact that they
can be built anywhere. One expert summarized the discussion by saying
that the safety risk had been "put to rest" by the availability of
modern biocontainment facilities. However, we found that the consensus
that FMD work could be moved safely to the mainland was not unanimous
among the panel members and that there was at least one member in
dissension, a fact that was missing from the written report.
[38] "Final Committee Report: Exploratory Analysis--FMD Outbreak in
Animal Supply, Memorandum from PIADC Safety Investigation Committee to
Director J. J. Callis, January 9, 1979.
[39] GAO-02-808, p. 20.
[40] The specific geographic features surrounding the release site
would have to be considered, but speaking generally about the U.S.
Central Plains, these officials said it would be difficult for the
United States to retain a disease-free status given a release from a
facility in such a location.
[41] Comptroller and Auditor General, The 2001 Outbreak of Foot and
Mouth Disease (London: National Audit Office, June 21, 2002).
[42] The 2001 outbreak of FMD spread to France, the Republic of
Ireland, the Netherlands and Northern Ireland. However, the NAO study
did not include the cost incurred by these countries.
[43] We have converted the British pound to 2001 U.S. dollars and then
we adjusted to current value.
[44] The total cost to the country was estimated at $30.4 billion at
current values.
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