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Doctor insights on: Hiv Antibody Test Window Period

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What is the window period for p42 antigen/ antibody dual 4th gen HIV test? And the window period for HIV RNA PCR test? When can it be conclusive?

What is the window period for p42 antigen/ antibody dual 4th gen HIV test? And the window period for HIV RNA PCR test? When can it be conclusive?

See below: Please consult this site for a detailed answer. Nucleic acid tests are conclusive about a month after acquiring infection. http://www.sfaf.org/hiv-info/testing/hiv-test-window-periods.html ...Read more

Dr. Barbara Lavi
16 doctors shared insights

Hiv (Definition)

Hiv infection is caused by a retrovirus....This retrovirus binds to CD4 cells (for the most part). You may detect the virus by several different methods. An elisa test (enzyme linked immunosorbent assay). You may also detect it by doing a test referred to as a western blot (a gel protein electrophoresis). Thirdly by pcr (polymerase chain reaction) which ...Read more


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What is the HIV antibody test window period?

What is the HIV antibody test window period?

HIV window: We used to say that the window was 30 days but the newer more sensitive laboratory 3rd elisa tests can detect antibody reliably at 15 days (some as early as 9 days) while 4th generation antigen/antibody tests can detect infection even earlier. ...Read more

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How long is HIV rapid test antibody window period?

How long is HIV rapid test antibody window period?

2-6 wks-months.: Most people show antibody readings at about 2-6 weeks after HIV infection, however antibodies may not become detectable until after several months of infection. This does not mean that a person is not infected with HIV if no antibodies are detected so they need to be interpreted in accordance with history, risk factors, and state of health of the patient. False positives occur so confirm w/wblot. ...Read more

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Hello Sir I want to know about the window period of HIV antibody tests. I tested negative after 6 months of the exposure and 1.8 yr of the previous .

Hello Sir I want to know about the window period of HIV antibody tests. I tested negative after 6 months of the exposure and 1.8 yr of the previous .

HIV testing: Assuming that the testing was accurately performed the chances of your having HIV infection are next to non-existent. Use protected sex techniques. This is not a disease you want to get. ...Read more

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What is the window period of HIV antibody tridot test in india?

What is the window period of HIV antibody  tridot test in india?

HIV antibody Testing: You should have a valid answer by twelve weeks on this test. It is not the best test in an acute exposure. Your question also implies that you do not know that HIV infection can be prevented after a high risk exposure as long as the appropriate action is taken within 72 hours of exposure. This process known as post exposure prophylaxis is very effective at preventing infection. ...Read more

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Is HIV detectable after window period (3 months) by hiv-antibody test if pep is taken after 8 weeks of exposure assuming HIV is transmitted?

Is HIV detectable after window period (3 months) by hiv-antibody test if pep is taken after 8 weeks of exposure assuming HIV is transmitted?

HIV: As per the prior response to your question, it is unlikely that antibody testing will be influenced by post-exposure prophylaxis. If you are truly concerned about your test results get an HIV RNA pcr performed. Expensive but highly accurate. ...Read more

Dr. Ed Friedlander
1,422 doctors shared insights

Human Immunodeficiency Virus (Definition)

Human immunodeficiency virus (HIV) is a lentivirus (a member of the retrovirus family) that causes acquired immunodeficiency syndrome (aids), [1][2] a condition in humans in which progressive failure of the immune system allows life-threatening opportunistic infections ...Read more


Antibody (Definition)

An antibody is a protein the body's immune system makes to identify potentially harmful substances in the body. Antibodies attach to the substance on a molecular level and mark it so the immune ...Read more