What Type Of Test Is Used To Detect Hiv Infection

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Articles

U.S. Centers for Disease Control and Prevention

Risk-Based Human Immunodeficiency Virus (HIV) Testing Fails to Detect the Majority of HIV-Infected Persons in Medical Care Settings

In order to assess opportunities for early HIV diagnosis in a comprehensive public health care system, the researchers undertook a retrospective review of patients newly diagnosed with HIV from September 2001 to December 2003. Of 348 patients newly... Read more »

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

On June 18, 2010, FDA approved a new, "4th generation" HIV diagnostic assay. The ARCHITECT HIV Ag/Ab Combo Assay is the first HIV diagnostic assay that simultaneously detects both antigen and antibodies for the Human Immunodeficiency Virus (HIV).... Read more »

In HIV-Infected Women, Prevalence, Diversity, Persistence and Detection of New HPV Infection Is Greater in the Anus Than in the Cervix

Listen (2.4MB, 6 min.) Welcome. This is Bonnie Goldman, Editorial Director of The Body PRO. I'm in San Diego at IDSA 2007, one of the year's HIV conferences. Right now, I'm in the poster session where researchers are standing in front of... Read more »

Ask the Experts

How quickly can HIV antigens be detected after infection

If a person contracted the HIV virus and ten days later was tested for HIV antigens in the blood, would it be detected? What is the minimum period of time after infection that HIV antigens could be detected?...

Response from Rick Sowadsky, M.P.H.

Nevada State Health Division AIDS Program

Hi. Thank you for your question.The p-24 antigen test will pick up an infection an average of 6 days prior toa person testing antibody positive. The p-24 antigen tests will often showpositive 2-3 weeks after initial infection. However, not all... Read more »

Can Syphilis test detect HIV?

Is it possible to detect HIV infection from the blood test for syphilis, assuming the test is taken after the window period is over?...

Response from Katherine Luzuriaga, M.D.

University of Massachusetts, Medical School

No, the blood tests for syphilis are specific for that infection and do not provide any information on HIV status.... Read more »

detection of hiv infection in infants

how we will detect intrapartum,interpartum & post partum hiv infection in infants?how much it is important?...

Response from Katherine Luzuriaga, M.D.

University of Massachusetts, Medical School

Babies can acquire HIV during gestation (in utero), during delivery (intrapartum), or after birth (post-partum; through breast feeding). Timing of infection can usually be inferred by screening test (DNA PCR) results. A positive DNA PCR at birth... Read more »

hiv-2 detectability (HIV-2) (HIV-2 TESTING)

I recently entered into a short term relationship with someone who is poz. Both gay males, he lives in asia and i live in the US. 100% use of condoms for anal sex. After the relationship ended I have gone for HIV rapid tests at the 7 week point...

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation

Hi,HIV-2 is not prevalent in Asia. If you are concerned, why not just ask your ex if he has HIV-1 or HIV-2? Yes, HIV-2 screening tests are available, but I do not feel your risk, based on the information provided, warrants HIV-2 testing. I'll... Read more »

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Connect With Others

ARS symptoms means virus can be detected?

Posted by jxr

Hi...If you have ARS symptoms two weeks after an unsafe episode and these symptoms are actually a sign of HIV infection, will the PCR test be able to detect the presence of HIV in that short time frame. After all, the symptoms of fighting the... Read more »

why is it so hard to detect the presence of hiv?

Posted by raymond, 1 Reply

because our bodies are not good at detecting it because the virus does not act like any other. most viruses consist of a protein coat and rna strain. the virus lands the protein coat injects the rna into the cells where the rna sstarts reproducing... Read more »

HIV antibodies - always detectable?

Posted by xtreme, 1 Reply

I've read that the window period for most people is 3 months after exposure and the rest of the people will show antibodies at 6 months - im confused over this cause ive read that a supressed immune system will mess up results but does it mean no... Read more »

HIV tests that detect the genetic material of HIV

Posted by nomoreworry4me

HIV tests that detect the genetic material of HIV itself (rather than antibodies or antigens) are known as PCR tests. PCR stands for Polymerase Chain Reaction and is a common way of testing for a variety of different organisms. The overall process... Read more »

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