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Posted by LisaT on September 20, 2002 at 01:47:11:

In Reply to: Re: West Nile - a manufactured crisis? posted by MamaClaire on September 19, 2002 at 11:55:47:

:In the
:particular case of the WNV vaccine, the manufacturer got a conditional
:license
:based on the fact that the vaccine did not appear to hurt any horses and
:there
:was a need for a vaccine. They did *not* have to show that the vaccine
:actually prevented West Nile Virus in horses.

I didn't know about the following though...

: The company just released an abstract showing that vaccinated horses did
:not develop virus in their blood when exposed to a viral challenge, whereas
:most control horses did. The thing is, *none* of the horses in the trial
:got
:sick, so it does leave you wondering if the trial was conducted with a
:sufficient dose of the virus.

Hmmmmmmmm....so even the *unvaccinated* horses in the trial didn't get sick??????? And I bet they'll use this trial to say that the vaccine prevented disease.

: Field studies would probably answer a lot of the questions about the
:efficacy of the vaccine. However, my guess is that it will take a motivated
:graduate student to do such a study, because the vaccine company would never
:be
:interested in any data that might show that the vaccine didn't work.

And they certainly wouldn't be concerned about any other damage that the vaccine, and repeated vaccination (since I'm sure they recommend that since no DOI studies have been done) will do. Sorry, Ft. Dodge already destroyed my dog. NO thanks.

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