4th Generation Test Window Period

Here's a taste of what TheBody.com has to offer on this topic:
Ask the Experts


Dear Doctor,I really want to ask that if the person really have to be tested at 3 months mark then what is the sanctity of 4th Generation Tests claiming to be exponentially reducing the window period?Then even today also one is relying on 3rd...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
...I have no doubt that improvements in HIV testing are increasing the accuracy of diagnostic testing and shortening the windowperiod. However, I base my responses on published scientific guidelines, not on "claims." For instance, I have no way of... Read more »

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U.S. Food and Drug Administration

Fourth Generation HIV Diagnostic Test Approved, Permitting Earlier Detection of Infection

...(recent) infection with HIV, prior to the emergence of antibodies produced by the infected patient, effectively reducing the windowperiod (that period after initial infection and before the detection of infection based on formation of detectable... Read more »
AIDS InfoNet

HIV Testing

...with HIV, it usually takes from three weeks to two months for your immune system to produce HIV antibodies. During this "windowperiod" you can test negative for HIV even if you are infected. If you think you were exposed to HIV, you should wait... Read more »
San Francisco AIDS Foundation

HIV Testing

... ELISA Western Blot (WB) Assay Indirect Immunofluorescence Assay (IFA) WindowPeriod Interpretation of Test Results Accuracy of Antibody Tests Anonymous HIV Testing ... Read more »
AIDS InfoNet

Viral Load Tests

...million copies, and are always being improved to be more sensitive. The first bDNA test measured down to 10,000 copies. The second generation could detect as few as 500 copies. Now there are ultra sensitive tests for research that can detect less... Read more »
Connect With Others

3rd gen ELISA and window periods???

Posted by jambo, 1 Reply
...I know everyone is tired of these repeated discussions on windowperiods. I came across an article which mentioned that fourthgeneration tests reduce the windowperiod by an average of 6 days over the 3rd gen tests, as a result of some... Read more »

3rd or 4th generation elisas?

Posted by Anonymous, 1 Reply
...I was wondering if any county health dept. around the country would be using elisas first generation. Is everyone using 3rd or 4thgeneration? Read more »

Elisa Generatgion and window

Posted by Anonymous, 1 Reply
...Does anybody know the differences between the various generations of Elisa and how it might affect the windowperiod for testing? Read more »

Eliza 4th generation

Posted by Anonymous, 1 Reply
...negative for both after 30 days is considered hiv negative.No further tests will be necessary. This will make all the windowperiod debate redundant and people can know their status before they can stress themselves big time. Read more »