Many years ago (early 80's I think), I had a cat that supposedly showed a faint positive. The vet thought maybe it was a mistake, and a later test turned up negative. I have heard that it is always a mistake, and I have also heard the theory that a cat is fighting off the infection. Anybody want to contact a manufacturer?


On 9/28/2014 12:02 PM, Lance wrote:
I’d like to know more about this as well. I was told that Ember was a “weak 
positive” at her first test. She definitely had the virus (subsequent ELISAs 
were positive, and CBCs seemed to back those up in showing immunosuppression).

On Sep 28, 2014, at 11:00 AM, Kelley S <> wrote:
Hi guys,

Long ago I learned from this list, there is no such thing as light positive 
reading.  It indicates an error with the test.  I don't have documentation to 
back this up, can anyone help?

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