I know there are some who say they have cats that were IFA positive and are
now negative, I would say it is a rare thing.

The FeLV vaccine has no effect on the ELISA or the IFA test.  It is the FIV
vaccine that will make a cat test positive for FIV.


-----Original Message-----
From: felvtalk-boun...@felineleukemia.org
[mailto:felvtalk-boun...@felineleukemia.org] On Behalf Of James Rauscher
Sent: Wednesday, April 08, 2009 4:28 PM
To: felvtalk@felineleukemia.org
Subject: Re: [Felvtalk] Interferon and Vetri-DMG - do these things help?

Thank you for the info, MC! Onyx's IFA test came up positive - do you know
if cats who are positive on that test ever revert to negative? Also, some
vets say that vaccinated cats always show up positive on later tests
(because of the vax), but two of them said that vaccinated cats do not show
up positive on the IFA test unless they actually have the virus. Can anyone
clarify that for me?


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