When she says "bloodwork" I wonder what she means.  You can take blood and send 
it to a lab where they perform the same type of ELISA test as done in the vet's 
office, but they do it differently at the lab (my vet called it a "well test"). 
 They have to take a bigger blood sample for that.  It's still an ELISA test, 
which looks for small fragments of the virus in the bloodstream, but a little 
more reliable than doing it with the snap test kit.

Then there's the IFA test which is a totally different test and it looks for 
the virus in the white blood cells/bone marrow.  If by "bloodwork" she means 
the IFA test then it's very possible that it's negative and the combo test is 
positive and that doesn't mean the combo test is wrong.  The combo test could 
be right but the virus just hasn't progressed into the bone marrow.

So when she says "bloodwork" it's hard to know for sure whether that means the 
combo test was right or wrong.  I'd like to know because if she's talking about 
two ELISA tests (one done in the vet's office with a snap test kit and one sent 
to the lab) and they keep coming up differently then there's definitely a 
problem with the snap test kits.

“I am not interested to know whether vivisection produces results that are 
profitable to the human race or doesn’t….the pain which it inflicts upon 
unconsenting animals is the basis of my enmity toward it, and it is to me 
sufficient justification of the enmity without looking further.” – Mark Twain

From: korruptaki...@gmail.com
Date: Tue, 6 Dec 2011 14:14:02 -0800
To: felvtalk@felineleukemia.org
Subject: [Felvtalk] Very Scary Testing results!

Very scary.. see below..

------Original Message------
From: Ellen Fawl
To: rescuealliancew...@yahoogroups.com

Subject: Scary FELV test results!
Sent: Nov 22, 2011 11:16 PM

I need to share this so it can get to the FELV Lists and whomever is 
following this testing debacle. We took in 5 Persians last week. We had 

them combo tested with the standard Snap test. All five tested 
positive.  We had blood work done on one cat and it came back negative. 
We assumed the tests were done wrong so they redid them two days ago. 

All four remaining cats tested positive AGAIN.
We had blood work taken on all four, sent it in, and all four came back 

This is really scary stuff. Cats are killed all the time because they 
test positive. Had we heard about these cats being in a shelter & 

testing positive it's not likely we could have taken them in. The vet 
office in Santa Cruz is going to follow up with the company, but if 
there is anyone else out there tracking this stuff, I want to get the 

information to them.

Love and Katnip,                  ~Kat~     =^,,^=

"I'm Kat Parker.  I park cats."   

"Keep your kitties INSIDE, 24/7, 'cause an inside cat is a SAFE & HAPPY cat!"

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