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Read Now: Expert Opinions on HIV Cure Research

Hiv Seronegative False Negative

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HIV seronegativity in persons with AIDS

Posted by Anonymous, 1 Reply
http://www.aegis.com/pubs/aidsline/1998/dec/m98c1584.html
"...:clinical and laboratory results from 8 cases, North America, 1995-1997.
Sullivan P,Koch W,Do AN etc;Centers for Disease Control/Prevention, Atlanta,GA,USA
Abstract: Background: Diagnosis of... Read more »

Confused false positive or false negative?

Posted by Xian, 1 Reply
Hi All,

Please help with my story and results.

I had unprotected vaginal sex April 9th,2014. I was male.

Tested on May 2,2014(24 days - 3.4 weeks) - blood was drawn and sent to local lab.
Hiv1/2 antibody( should be 3rd gen elisa)w reflex.
The antibody... Read more »

seroneg. hiv-infection?

Posted by Anonymous, 2 Replies
I have a question for the experts with a lot of experience in hiv. I know, the most infected people would have a pos. elisa after 13 weeks. Some rare people need a longer time. My question is, you know about people with a neg. elisa at 12 months,but... Read more »

Hiv pcr false negative and seroconversion

Posted by Seoulguy, 1 Reply
I need some help. I am in Seoul and have had PCR and Antigen test at 7 weeks - both negative. However, my skin is changing rapidly - brown marks and cauliflower patterns - red dry knuckles and a rash on my face and test. I am eating a high... Read more »

help please!will I be false negative for HIV RNA test if I'm on acyclovir

Posted by Kali999117, 1 Reply
Exactly a week after unprotected sex, I noticed symptoms of HSV and my physician confirmed it. I am taking acyclovir for that since past five days and its been 2weeks that I got infected. Now I'm thinking to get tested for HIV using HIV RNA test(... Read more »
Ask the Experts

sero-negative?

In one post you stated "One study found that P24 antigen test couldn't identify 75 of infected sero-negative blood donors." What does this mean? What is sero-negative? Does it mean that if recently exposed and the antibodies have...
Ryan M. Kull, C.S.W

Response from Ryan M. Kull, C.S.W

Columbia University's Health & Related Services
Seronegative means that no HIV antibodies are present, or detectable as measured by an antibody screen. A person can be seronegative, yet still be infected with HIV; this is why testing after the window period (at least three months) is crucial.The... Read more »

Seronegative AIDS

Dear Dr. Holodniy,It has come to my attention that a post of May 4, 1999 (http://www.thebody.com/cgi/viralload_ans/18870FOR.html) asked about the value of combination HIV testing. The subject of urine positive/serum negative HIV tests referred to...
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
Thanks for the clarification. But your sample size was much larger than two subjects. Where are the confirmatory tests on all the other patients that have had discordant results with your urine test and serum testing? What followup data on other... Read more »

False-negative and false-negative tests?

I work for an AIDS service organization answering HIV-related health questions. This one has stumped me:A woman called to report that she first tested HIV-positive in December 1999 after having a negative test in May 1999. She had two viral load and...
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
1). Unlikely. Not that I am aware of, particularly on 2 separate days.2). Maybe and possibly. But did you test him, or is this by verbal report? Female to male transmission is less likely, but it may be warranted to do a VL or DNA PCR test in this... Read more »

sth about false negative

In Oct.2011,I had only one protected sex with a prostitute in Sanya, China in my life. I get tested at 66 days and 122 days with negative results, but they are all antibody test(third generation). Are there many false negatives? If there are only 25...
David Wohl, M.D.

Response from David Wohl, M.D.

University of North Carolina - Chapel Hill
False negative HIV antibody tests are very rare and repeated HIV testing, as you have done, can be considered conclusive. Plus your sex was PROTECTED, meaning no risk if you used a condom.Do not get an HIV RNA test. You are not infected.DW... Read more »
Articles
U.S. Centers for Disease Control and Prevention

HIV-1 Seronegativity in a Child With Proved Perinatal HIV Infection on HAART

The researchers conducted a case study to report the unexpected absence of HIV-1 antibodies and provirus in the peripheral blood of a four-year-old with previously diagnosed perinatal HIV infection. The study included a review of clinic and... Read more »
U.S. Centers for Disease Control and Prevention

Mental Health in HIV Seronegative and Seropositive IDUs in South Florida

"Injecting drugs are a primary vector for HIV transmission," and approximately one-third of HIV-infected people in the United States have a history of injection drug use, according to the study authors. In South Florida, urban injection drug users... Read more »
TheBody.com

Is Your HIV Treatment Working? Warning Signs and False Alarms

The first few months after starting HIV treatment are pivotal in determining whether your first regimen will be successful. Yet if you are brand new to HIV/AIDS treatment, how can you know what success is? It can be hard to tell the difference... Read more »
U.S. Centers for Disease Control and Prevention

Questions and Answers: False-Positive Oral Fluid Rapid HIV Tests

What is the significance of the reported increases in false positives when using the oral fluid HIV test in New York City sexually transmitted disease (STD) clinics? It is important to keep in mind that overall oral fluid tests have performed well.... Read more »