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Dr. Andrew Rynne
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Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Do The ECLIA Test Results Indicate?

I had a secure exposure 5 days back. I did a HIV tests today.The ECLIA test is -ve with value 0.85 (0.9 -ve and >1 is +ve).The -ve results are confirmed by Elisa and antidot tests.The ECLIA values are at borderline. What this means?I am very much worried. Please help.What more tests do I need to get a clear status?
Mon, 7 Jul 2014
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Geriatrics Specialist,  's  Response
Hi,
ECLIA is now one of the tests used in diagnosis of HIV. It is useful during a condition called as window period. It identifies p24 antigen.
During window period, antibodies would not have formed, but virus can still be present. In HIV, it is up to three months.
Elisa is very sensitive and it is also negative and it is expected in initial stages. You should get a repeat ECLIA test for HIV after two weeks of exposure. That is the minimum period after which this test is positive.
Any further queries, happy to help again.


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What Do The ECLIA Test Results Indicate?

Hi, ECLIA is now one of the tests used in diagnosis of HIV. It is useful during a condition called as window period. It identifies p24 antigen. During window period, antibodies would not have formed, but virus can still be present. In HIV, it is up to three months. Elisa is very sensitive and it is also negative and it is expected in initial stages. You should get a repeat ECLIA test for HIV after two weeks of exposure. That is the minimum period after which this test is positive. Any further queries, happy to help again.