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- Hello Jeff,
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- Just got this from Promed. I have a feeling that, given
the mammal infections, ticks might soon become the next vector.
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- Patty
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- Date: Fri, 29 Sep 2000
- From: Jack Woodall <woodall@bioqmed.ufrj.br
- Source: The USGS National Wildlife Health Center's Teleconference
on the West Nile virus outbreak.
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- USGS Teleconference: Impact of West Nile Virus on Wildlife
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- Robert McLean, director of the US Geological Survey (USGS)'s
National Wildlife Health Center, said that West Nile virus (WNV) is turning
out to be a major menace to US wildlife, and the Center has serious concerns
about its spread. It is now the middle of the southward migration season,
with birds from New York State filling the flyways down the eastern seaboard.
On 21 Sep 2000, Maryland officials reported their first 2 WNV positive
birds this year, whereas last year the first infected bird in Maryland
was not detected until late October. USGS has a watch out as far south
as Louisiana for possible infected birds.
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- USGS has a useful web page on the subject: <http://www.umesc.usgs.gov/http_data/nwhc/news/westnil2.html
from which the following is quoted: "West Nile virus has [now] been
isolated from over 63 species of birds, including 53 free-ranging species
from 7 states. Free-living mammal species in New York were found positive
for WNV for the first time this year. The virus has been detected in 16
horses from 5 states. Fifteen people are reported as clinically ill from
WNV this year, with one human death." This information is as of 20
Sep 2000. According to the New York State map dated 28 Sep 2000, there
have now been 14 bats, 3 squirrels, 2 raccoons, one chipmunk (and 3 domestic
rabbits) confirmed WNV positive -- see: <http://www.health.state.ny.us/nysdoh/westnile/update/today.gif
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- For maps of migration routes and lists of migratory species,
see: Migratory Birds and Spread of West Nile Virus in the Western Hemisphere.
J. H. Rappole, S. R. Derrickson, and Z. Hubalek. Emerging Infectious Diseases,
6(4): 319-328 2000 -- available online at: <http://www.cdc.gov/ncidod/eid/vol6no4/rappole.htm
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- Note that in 1999, crows were still dying in upstate
New York at the end of October -- see: West Nile virus, birds - USA (New
York) (02) 19991120.2061
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http://www.rense.com
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