One of my vets (I'm in the US) did a PCR test, but another always does IFA
(for kittens who test positive on snap ELISA) and that seems to be more
common. I asked my vet why she chose the PCR test and she said it was more
accurate. PCR results seemed to take longer than the IFA but I've also seen
IFA results take a while too. It must just depend on the lab and I'm not
sure which ones were used except that I know the sample for the PCR test
was same-day shipped to NY.

On Wed, Aug 14, 2013 at 9:57 AM, Shelley Theye <> wrote:

> Hi,
> I want to bring Leo back in to get the IFA test.  I was reading about the
> company that developed
> the IFA test,  the National Veterinary Lab.  Are they the company that
> most folks use or can
> my vet send to any lab, like Antech, etc.  Is one lab considered more
> accurate than another?
> Are PCR tests done much? I think in England they are used more than the
> IFA, at least I recall
> reading that a while back on a website.
> Thanks so much for any advice,
> Shelley
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