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Laura's answer pretty well covered the bases on
this one, but I'd add that it isn't any different than the fact that we don't
routinely do titers to other diseases prior to vaccination, such as
influenza, rhino, tetanus, EEE, WEE, etc. The titre measures antibody
levels, not the presence or absence of the virus itself. And with most
diseases, as Laura pointed out, if the horse has a healthy level of
antibodies, then those very same antibodies have gotten rid of any virus
that might have been there.
Heidi
----- Original Message -----
Sent: Thursday, August 29, 2002 5:06
PM
Subject: [RC] WNV-How come titers not
done first?
Heidi & Laura:
Why aren't titers run before a horse is vacinated with WNV
vaccine?
If a horse tiers positve to WNV and is given the vaccine,
aren't they in danger
activating the virus more?
Barb
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