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Hiv Antibody-antigen Test Early Detection

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Ask the Experts

Serum negative but girfriend's ( hiv antibody/antigen screen) postive

Hi ..my girfriend just been through a test to get a visa done, her test( hiv antibody/antigen screen)was positive, the reaction was low the doctor told her that she was infected about 2 months ago ..i did the test (serum) yesterday and that was...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
Hello,If your girlfriend has only had a reactive (positive) preliminary HIV-antibody/antigen screening test, she would not yet be considered HIV positive! She needs a confirmatory, more specific test, such as a Western Blot, which must also be... Read more »

Needless p24 antigen test bashing in the US

Seeing as this protein is evident and visible starting from 14 days after exposure, why can't the... Read more »

Dr. Conway - Canadian 4th Generation Tests in CANADA??

Hi Dr. Conway,I just recently was tested NEGATIVE at 16 weeks in Canada after visiting a local... Read more »
Articles
New York State Department of Health AIDS Institute

Diagnostic, Monitoring and Resistance Laboratory Tests for HIV

...management of acute HIV infection, see Diagnosis and Management of Acute HIV Infection . A. Antibody Tests Detection of HIV antibodies is the most common method for the diagnosis of HIV infection in adults and children >18 months old.... Read more »
U.S. Food and Drug Administration

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

...enzyme immunoassay antibody tests to which they were compared. Currently, most tests used in the diagnostic setting detect only HIV antibodies. While the assay is not intended to be used for routine screening of blood donors, it is approved as... Read more »
U.S. National Institute of Allergy and Infectious Diseases

The Evidence That HIV Causes AIDS

...York and California, and retrospective examination of frozen blood samples from a U.S. cohort of gay men showed the presence of HIV antibodies as early as 1978, but not before then. Subsequently, in every region, country and city where AIDS has... Read more »
AIDS InfoNet

HIV Testing

...In the US, call the National AIDS Hotline, (800) 342-2437. The most common HIV test is a blood test. Newer tests can detect HIV antibodies in mouth fluid (not the same as saliva), a scraping from inside the cheek, or urine. "Rapid" HIV test... Read more »
Connect With Others

4th Generation HIV Test

Posted by Trophy
...occurred. For the diagnosis to be correct, however, detection depends on the use of tests that are effective in identifying HIV antibodies, and not antibodies directed to other infectious agents that may be antigenically similar. Antigens used in... Read more »

Scietific Abstarct on Winodw Period/Test Methods

Posted by Anonymous, 1 Reply
...-------------------------------------------------------------------------------- Keywords: *Gene Amplification/METHODS *HIV/ISOLATION & PURIF *HIV Antibodies/BLOOD *HIV Antigens/BLOOD *HIV Seropositivity/VIROLOGY *Immunoassay/METHODS *RNA,... Read more »

HIV tests that detect the genetic material of HIV

Posted by nomoreworry4me
...NAT generally gives positive results much sooner than standard antibody testing would, making it useful in situations where early diagnosis is necessary. An RNA PCR test will produce a positive test result within two to three weeks. A DNA PCR... Read more »

test nuevos mas sensitivos

Posted by Anonymous
...samples are collected to allow determination of seroconversion by different tests [1]. Earlier evaluations of screening tests for HIV antibodies in patients with primary HIV infection (PHI) [2,3] showed that infected individuals could test... Read more »