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Wild Bird Health
Wild birds around the world carry bird flu viruses,
including H5N1, but usually do not get
sick from them.
Wildlife experts and public health officials have
been monitoring the spread of highly pathogenic H5N1
since it first appeared in Hong Kong in 1997.
Since 1998, the U.S. Department of Agriculture
(USDA) has tested over 12,000 migratory birds in the
Alaska flyway, and since 2000, has tested nearly
4,000 migratory birds in the Atlantic flyway.
All birds tested in the United States have been
negative for highly pathogenic H5N1.
Since 2005, the Department of the Interior has been
working with the state of Alaska to sample migratory
birds in the Pacific flyway. These agencies have
recently developed a plan to help rapidly detect the
pathogen through:
·Investigating outbreaks of disease in wild birds
·Expanding ongoing monitoring of live wild birds
·Monitoring hunter-killed birds
·Beginning to monitor sentinel animals such as
backyard poultry flocks
·Sampling bodies of water that could be contaminated
with bird feces.
In 2006, these agencies collected thousand of
samples from live and dead wild birds. They also
collected thousands of samples of water or feces
from high-risk waterfowl habitats across the United
States.
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