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Recommended Cut Off Values For The Elisa Techniques

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Ask the Experts


I am sending donation for your grate service. I would like to know about Index Value in HIV 1&2 Antibody Test. After six months from the possible exposure I have conducted a HIV 1&2 Antibody & p24 Antigen Compo Test. The Test Result...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
Hello,Your test result at six months of "0.11" is "nonreactive." That means you are definitively and conclusively HIV negative. The "index value" (also called the "signal-to-cutoff ratio") is a technical term... Read more »

Elisa Hepatites C Test Cut off value & patiet value

I have gone through a Elisa method test. The result are Cut off Value=1 Patient Value=0.211 .... Read more »

Elisa test and cut off value

Dear shannon,I had an unprotected sex with a guy whose status is unknown.after 5 months of exposure... Read more »
Housing Works

The Hidden Costs of PrEP

Image courtesy of Earlier this month, the CDC released recommendations that pre-exposure prophylaxis, or PrEP -- an anti-HIV medication -- be used as a preventative for uninfected heterosexuals at "high-risk" for... Read more »
Henry J. Kaiser Family Foundation

Showing PEPFAR Effectiveness and Value Important in Face of Budget Negotiations

With "[l]ooming budget cuts for FY2012 and recent reports about the decline in AIDS funding from the USG in FY2010 relative to FY2009 ... now, more than ever, PEPFAR needs to better demonstrate the effectiveness and value of its programs," Nandini... Read more »

Shared Values, Distinct Cultures: HIV Care for Latinos in the U.S.

In 2000, a full decade before predicted, Latinos became the largest minority group in the U.S. -- over 13% of the population. They include people of Mexican descent (66%), Central and South Americans (15%), Puerto Ricans (9%), Cubans (4%), and other... Read more »
U.S. Centers for Disease Control and Prevention

Revised Recommendations for HIV Testing of Adults, Adolescents, and Pregnant Women in Health-Care Settings

Summary Introduction Recommendations for Adults and Adolescents Recommendations for Pregnant Women Additional Considerations for HIV Screening Acknowledgment References Consultants Membership List, November 2005 CDC, Division of HIV/AIDS... Read more »
Connect With Others


Posted by Anonymous
Jessica P. is a 32-year-old African American woman in good health. In November of 1999, she received a flu shot at her local clinic. Two weeks later, she developed fever and some upper respiratory tract complaints. She visited her primary care... Read more »


Posted by nomoreworry4me Read more »

1st, 2nd & 3rd Generation ELISA

Posted by Hobgoblin, 3 Replies
Has anyone read a previous post on this matter?

If I remember rightly, somebody posted that testing negative at 3 months on an 3rd Generation ELISA is all one needs as this type of test is highly sensative.

And that if you tested negative on a 1st... Read more »

Elisa and PCR test.

Posted by Anonymous, 4 Replies
When I read from some of the forms that say that 6 week test is very encouraging and that the test can actually pick up antibodies within 3-5 weeks. Are they referring to the PCR test or Elisa test or both? (I just took the Elisa test. Negative... Read more »