Cats vaccinated against FIV will always test positive - Cat Forum : Cat Discussion Forums
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post #1 of 2 (permalink) Old 07-19-2005, 02:12 PM Thread Starter
Join Date: Apr 2005
Posts: 36
Cats vaccinated against FIV will always test positive

I saw this posted on another site. Didn't know such a thing was possible.

"Was your cat vaccinated against FIV at any time in his life? What many pet owners( and sadly, most shelters ) don't realize is that if a cat is vaccinated against FIV they will test positive for the rest of their lives even though they don't have the disease. Although there is a benefit to the vaccination, there is also a downside because if these cats ever end up in a shelter and test positive for FIV they are automatically euthanized. More info on the site below:

A Cat's Desire - Feline Immunodeficiency Virus Information
... "
sierra is offline  
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post #2 of 2 (permalink) Old 07-19-2005, 03:21 PM
Join Date: Nov 2004
Posts: 1,678
I don't buy that at all.

Only one of my cats gets vaccinated against FIV, and has had boosters for the past 3 years. 6 months ago, he got a cat bite abcess and I decided to test him *just in case*. He came out negative. We have tested many cats with negative results that have been vaccinated against the disease.

I have no idea if the US vaccines do this to a cat, but its certainly not the case in the UK. Very shortly after vaccination, a false positive can show, but I've never experienced this.

It is sad that positive cats are euthanased, but I see why it has to happen. It happens here too. It displays the importance of microchipping, IMO.

emma_pen is offline  
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