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Hiv Type O Pcr Test

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Ask the Experts

Can HIV sub-type O be detected by PCR?

Dear Dr, Can the HIV sub-type O be tested by HIV PCR after 10 months from exposure? I'm really feel worried. Pls give me an answer. Thanks!
Mark Holodniy, M.D., F.A.C.P., C.I.C.

Response from Mark Holodniy, M.D., F.A.C.P., C.I.C.

Stanford University, School of Medicine
...Not with the current commercially available PCR based assays.MH Read more »

18 YEAR OLD; ATTEMPTED RAPED BY CLASSMATE. NEED HELP READING RESULTS

I took these hiv tests 2 years after possible infection through make out with HIV+ person. I have... Read more »

Tests for HIV Subtype O (GROUP O, Subtype O, 2010)

Nine months ago I had a sexual encounter with a West Africa prostitute whilst abroad. This... Read more »
Articles
New York State Department of Health AIDS Institute

Diagnostic, Monitoring and Resistance Laboratory Tests for HIV

...Assays 2. HIV-1 Confirmatory Antibody Assays 3. HIV-2 Antibody Screening B. Viral Identification Assays 1. DNA Polymerase Chain Reaction (DNA-PCR) 2. Plasma HIV RNA Assays III. Monitoring Tests A. Lymphocyte Analysis ... Read more »
U.S. National Institute of Allergy and Infectious Diseases

The Evidence That HIV Causes AIDS

...communication). HIV can be detected in virtually everyone with AIDS. Recently developed sensitive testing methods, including the polymerase chain reaction (PCR) and improved culture techniques, have enabled researchers to find HIV in patients... Read more »
The Well Project

Understanding HIV-Related Lab Tests II: Viral Load, Resistance and Tropism

...Viral Load Test Viral load is the amount of HIV in your bloodstream. Viral loadcan be measured by two different lab tests: polymerase chain reaction (PCR) orbranched DNA (bDNA). It is best to stick with the same kind of test and notswitch... Read more »
San Francisco AIDS Foundation

HIV Testing

...inexpensive and very sensitive for detecting the presence of HIV antibodies. In most cases, a blood sample is tested, but other types of ELISAs that use saliva and urine have also been developed. The actual ELISA takes 3.5 to 4 hours, but most... Read more »
Connect With Others

Undetected HIV-1 RNA,PCR at 17 weeks

Posted by roma2010, 2 Replies
...hiya all i have the results of my 17 close to 18 weeks results of a PCR RNA for HIV-1 and it was undetected testing was done by COBAS AmpliPrep (Roche Molecular systems) qualification range of this Read more »

PCR not detecting all strains of HIV?

Posted by Anonymous, 1 Reply
...that all commercially available PCR-kits are just looking for the common HIV-1 strains, and are neither able to detect HIV-1-subtype-O nor HIV-2! Because of that, I am wondering why so many posters here suppose a 4-week negative PCR to be... Read more »

HIV-1? HIV-2? HIV-O?

Posted by Anonymous, 6 Replies
...We didn't even know about HIV until the 1980's. So, we invented a HIV1 test, only to find there is a HIV2. So, we invented a HIV2 only to find out there is Read more »

HIV?

Posted by Anonymous
...http://www.acponline.org/journals/annals/15apr98/biohiv.htm. ?We observed that clade A strains [of HIV] were not detected by RT-PCR [Reverse Transcriptase-Polymerase Chain Reaction] and that clade G-strains were not detected by NASBA [Nucleic... Read more »