Accuracy Of 5 Weeks Hiv Test Using 4th Generation Duo

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Accuracy of 4th Generation test after 4 weeks post-PEP

Hi Dr. Weidman,I wonder what is the accuracy of a negative result from a 4th Generation EIA 33 days after completing PEP ( 63 days post-exposure). The risk was: Protected receptive anal sex, performing fellatio without condom without ejaculation,...

Response from Lisa Hightow-Weidman, M.D., M.P.H.

University of North Carolina

Hello there-Typically 4th generation tests can be presumed to be accurate by 2-3 weeks post exposure. Certainly I would expect it to be accurate at 2 months. To be sure, you could get an HIV viral load test now or repeat the 4th gen at 90 days. My... Read more »

SANCTITY OF 4th GENERATION TESTS,PLEASE REPLY.DONATION AS PROMISED!!

Dear Doctor,I really want to ask that if the person really have to be tested at 3 months mark then... Read more »

Response from Robert J. Frascino, M.D. »

4th generation tests

Hello Dr.Bob.I am the guy from Izmir, Turkey.I have asked this question before but you havent... Read more »

Response from Robert J. Frascino, M.D. »

Go to Ask the Experts »

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Fourth Adult Film Actor Tests HIV-Positive But Unrelated to Other Three Cases; Bill to Require More Testing Set Aside

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U.S. Centers for Disease Control and Prevention

Rapid HIV Testing in Emergency Departments -- Three U.S. Sites, January 2005-March 2006

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California: HIV Testing Down, Positive Cases Up in San Mateo County

San Mateo County Health System's STD/HIV Program has released its fourth-quarter report, which shows figures the department views as "normal." "There's nothing alarming," said county STD/HIV Program Director Matt Geltmaker. Chlamydia was the most... Read more »

Connect With Others

4th Generation HIV Test

Posted by Trophy

An arsenal of laboratory methods are available to screen blood, diagnose infection, and monitor disease progression in individuals infected by HIV. These tests can be classified into those that: (a) detect antibody, (b) identify antigen, (c) detect... Read more »

Negative result 3 week post exposure?(4th gen duo)

Posted by anxious66, 1 Reply

Hi my risk as mentioned before was unprotected oral (MSM) giving, no ejaculation was for about a minute... divided in 3 times.. so about 20 seconds each time.

took a hiv duo 4th gen test 3 weeks and a few days post exposure, with a negative result.... Read more »

Where can I get a 3rd or 4th generation test

Posted by pal13, 2 Replies

I was involved in a risky behaviour 10 weeks back. Got tested with rapid antibodies test at 10 weeks. DNA by PCR 4 weeks and 7 weeks. negative. I'm still worried as the person I was involved with is from SE Asia. And that region has different... Read more »

4th gen test p24 again

Posted by Anonymous, 3 Replies

seems to me the so called 4th generation test is only good up until 3 weeks after infection. all the research i have done says the p24 antigen test is only good 1-3 weeks after one would have been exposed. so this would mean if i tested at 6 weeks... Read more »

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