I've read it takes about 6 weeks after the last injection to have full immunity. Last I read they thought it was about 94% effective. But they are now recommending a third shot if you have mosquitoes year round. The immunity may only be holding 3-4 months on two shots. (I am not a vet, I just read a lot). ----- Original Message ----- From: heidi sowards Sent: Wednesday, October 16, 2002 8:32 AM To: ridecamp@xxxxxxxxxxxxx; SherriANDrichard Romero Cc: Diana Seager Subject: [RC] More on the WNV horses that were vaccinated Liz, the owner e-mailed me, she had vaccinated on Sept. 6th
and a booster was given at the end of Sept. She also has a
friend who vaccinated her two horses and they both came
down with WNV as well. Liz also has a 15 year old mare and
a 30 year old gelding that are fine. The sicker of the two
horses ate some grain and hay today and she is hoping that
is a good sign. The other horse is doing better. Her vet
seems to think the reason they are showing an improvement
is that they were in such good physical condition prior to
getting the WNV. Both horses that were positive were 8
years old.
Maybe the vaccines didn't have enough time to get a good
immunity going? Vets? Anyone else know of horses that were
vaccinated and positive for WNV? Since they found the bird
near Spokane, Wa. (NE Washington) that was positive, it
worries me a little more than previously, it's getting too
close to home. I'm considering insuring both boys so they
will be covered should this start getting closer to home.
(SW Washington.)
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Heidi-aerc#M20935 /\_/\~ http://www.synjinarts.com
~~/~~ \\~~~~ (Wildlife/Western & Equine
/ O> ) \~~~~~ Art)
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