Does Flu Vaccine Cause False Negative Hiv Test

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Ask the Experts


A week ago my 17-year-old daughter received a letter from Red Cross indicating she screened HIV positive after donating at a recent blood drive. Results were HIV-1/HIV-2 Positive, Confirmatory Indeterminate, NAT Negative. Retesting was done at a...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
...confound HIV-antibody tests. Generally speaking, these cross-reacting antibodies cause "indeterminate" rather than "false positive" HIV tests. Please note a reactive ELISA with subsequent indeterminate Western Blot is considered to be an... Read more »

HIV test indeterminate due to flu infection?

Hi BobI went to the doctor feeling crook on Tuesday, muslce aches, freezing, turned out I had 39... Read more »

Does H1N1 vaccine interfere with HIV tests?

Back in June I had unprotected sex. I also in Sept heavily made out with a girl after a night of... Read more »
New York State Department of Health AIDS Institute

Diagnostic, Monitoring and Resistance Laboratory Tests for HIV

...questionable reliability are marketed illegally over the Internet and in newspaper and magazine advertisements. Rapid Test Rapid tests for HIV are assays that detect antibodies to HIV within minutes. Many of these tests use easily collected... Read more »
U.S. Centers for Disease Control and Prevention

2009 H1N1 Flu (Swine Flu) and You

...flu. In fact, a 2009 H1N1 virus has been selected as the H1N1 vaccine component for the Southern Hemisphere's upcoming seasonal flu vaccine. (More information about the selection of the viruses for the 2010-2011 Northern Hemisphere flu vaccine is... Read more »
The Well Project

What Is HIV?

... What Tests Are Available? If you have been infected, your immune system will make antibodies against HIV. The most common HIV tests look for these antibodies. The HIV antibody test (called ELISA or EIA) is one of the most reliable medical... Read more »
AIDS InfoNet

HIV Testing

... What Is HIV Testing? How Do I Get Tested? Who Should Get Tested? When Should I Get Tested? Do Any Tests Work Sooner After Infection? Read more »
Connect With Others

Posted by Anonymous
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Posted by Anonymous
...therapy is started.? Tebas P. When should antiretroviral therapy be initiated?. Medscape HIV/AIDS. 2002;8(1). ?The three tests for HIV-1 RNA were 100% sensitive for preseroconversion PHI [i.e. no people diagnosed with Primary HIV... Read more »

so ELISA tests NEVER give a false negative?

Posted by Anonymous, 3 Replies
Is this statement correct? Read more »

8 Week Result - How Reliable

Posted by Anonymous, 2 Replies
...unprotected insertive anal sex with a guy that I knew...but he had never been tested. I just called and he told me that I was negative, thank GOD. I told him..I have a feeling he will be hearing from me again in about a month, just to cover the... Read more »
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