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Second Generation Elisa Group M

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4th generation ELISA and WB

Dear doc, I have sent you this question before but got no answer. Would a 4th generation ELISA pick antibodies before Western Blot? In your opinion,up to what phase of the HIV infection could a 4th gen ELISA be positive or indeterminate and the...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
...specific response, please resubmit it, OK?Dr. Bob"Questions most likely to be answered will be those of general interest to a broad group of visitors to this forum". Sep 15, 2007Have a doubt regarding this line.I have been asking a question six... Read more »


hello dr.,1. will the current elisa 1/2 reliably detect all CRF's??2. how about ALL subtypes of... Read more »

whats wrong with this guy (Roberto Gilado)

Hi Dr BobThis Roberto guy is such an A****h****l. Thank god he does not practice in NY.For me i do... Read more »
Test Positive Aware Network


...virus. In fact, an estimated 7% of newly infected individuals in the U.S. are infected with an NNRTI-resistant virus. The second-generation NNRTI Intelence was developed to have a higher genetic barrier to drug resistance. It has shown... Read more »
San Francisco AIDS Foundation

HIV Testing

... Why Should You Get Tested for HIV? What Are HIV Antibody Tests? ELISA Western Blot (WB) Assay Indirect Immunofluorescence Assay (IFA) Window Period Interpretation Read more »
AIDS InfoNet

HIV Testing

...the time. Before you get the results, the test has usually been done two or more times. The first test is called an "EIA" or "ELISA" test. Before a positive ELISA test result is reported, it is confirmed by another test called a "Western Blot".... Read more »
Test Positive Aware Network

The Feminization of an Epidemic

...death in black women ages 25-34 in the U.S., while it represents the 10th leading cause of death in white women of the same age group. The threat of death from HIV/AIDS remains high in older African American women as well: AIDS is the 3rd and... Read more »
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4th Generation HIV Test

Posted by Trophy
...antibody may be present at low levels during early infection but not at the detection limit of some assays. Using the early generation tests, antibody could be detected in most individuals by 6 to 12 weeks after infection. Newer generation... Read more »

1/2 generation elisa

Posted by Anonymous, 1 Reply
...It looks like in France mostly Elisa 1 and 2nd generation tests are still being used. Does anybody knows what's the reliability of these tests after 8 weeks. Thanks Read more »


Posted by Anonymous
...husband. There are no surprises, and Jessica feels very sure of her husband's history as well. Neither of them is a member of a group at risk for HIV infection. You therefore tell her that it is highly unlikely that she is infected with HIV. She... Read more »

Questions about Subtypes.

Posted by Anonymous, 1 Reply
...had been reading Springers post about subtype N. Now although rarely someone might get a weak positive, most of the time the Elisa cannot pick up thi very diverget subtype. Now i read that there are no known infections wirth subtype N in United... Read more »