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  Discussion on West Nile Virus
Author Message

Posted on Tuesday, Aug 8, 2000 - 10:56 am:

Hello Dr. O : I am hearing that there is a new vaccine for horses for the West Nile Virus. The reports are coming out of New York, but I have been unable to confirm this informaition. Have you heard anything?

Posted on Tuesday, Aug 8, 2000 - 4:21 pm:

Hello DrW,
Though there are WNV updates in every one of this months Vet College Equine Health Bulletins there was no vaccine mentioned. One even had a discussion questioning whether it would be that good of an idea??! Some worries about efficacy and side effects of a rushed vaccine I think was the point.

I have recently updated the WNV information and put it in its own article...whoops I don't see it on the menu. I added it to the Newsline but not the menu....there now it is there. Something not in the article is that I read just this week of a confirmed case in a crow in New Jersey.
DrO

Posted on Wednesday, Aug 9, 2000 - 10:52 am:

There were also several confirmed crows near Boston within the last couple weeks.

Posted on Wednesday, Aug 9, 2000 - 9:47 pm:

Dr.O: You're right about the N.J. confirmation, except now it is more than one. I am in Bergen county and there have been a few confirmed here ( in crows ) in different towns.

Posted on Thursday, Sep 7, 2000 - 2:35 pm:

Hello everyone,

I just received this from a holistic site to which I am subscribed - thought it might be of interest. I do hope this dreadful virus does not spread to any more horses.

More info on West Nile
**********************
>

Posted on Thursday, Sep 7, 2000 - 2:39 pm:

Oh dear, it doesn't seem to have copied across. Let me try again.

Equine Placement Network Mailing List -
https://members.tripod.com/~SueE/HB1029.html

Horses in New Jersey and Rhode Island Confirmed Positive for West Nile
Virus

Two additional horses have been confirmed positive for WNV infection.
The Cases are the second and third equine cases of 2000 and are located in
Washington County, Rhode Island, and Cape May County, New Jersey. The
first equine case in 2000, confirmed August 28, was a horse on Staten
Island (Richmond County), New York.


These new cases are the first equine cases of WNV in the United States
Outside of New York State. The positive case in Rhode Island was a
2-year-old mare; the positive case in New Jersey was a 6-year-old gelding.
Both of these horses were confirmed positive for WNV by polymerase chain
reaction (PCR) on brain tissue, and by IgM-capture enzyme-linked
immunosorbent assay (ELISA) and plaque reduction neutralization test
(PRNT) on serum. Virus isolation
on brain tissue of both horses is underway.

USDA, APHIS recommendations to horse owners to reduce risk of WNV
infection Are to reduce mosquito breeding sites and decrease exposure to
adult mosquitoes.

Recommendations are available from the APHIS website:

https://www.aphis.usda.gov/oa/wnv/index.html


Other WNV Developments

WNV in Humans

The first human case of WNV infection in New Jersey was reported
September 1.

As of September 2, the total number of confirmed or probable human
cases of WNV infection in 2000 is now eight; none of the patients has
died, although at least one is in critical condition.


WNV in Bats

Three bats were found to be positive for WNV infection in Albany
County, New York. This is the first report of WNV-positive bats in the
U.S. They were Big brown bats living in an Albany house and showed no
significant signs of illness.

The news release from the New York Department of Health is available at

https://www.health.state.ny.us/nysdoh/commish/2000/wnvbats.htm


If you have any questions, please contact USDA, APHIS, Veterinary
Services,

Emergency Programs staff at 301-734-8073, 800-940-6524, or
EMOC@USDA.GOV.
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