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Doctor insights on: How Long After Exposure Hiv Test

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I did 4th Generation HIV test after around 4,5,6,7,8,9,10,11,12,14,15 weeks of an exposure. Is this 100% conclusive? can i get back safely to my wife

I did 4th Generation HIV test after around 4,5,6,7,8,9,10,11,12,14,15 weeks of an exposure.
Is this 100% conclusive? can i get back safely to my wife

Sero-conversion: The whole concept of delayed sero-conversion dates back to old & sloppy tests. PCR testing now will show virus in the blood with or without antibodies. If you need to cling to the old adages...at 6 months..99.99% of the population will have developed antibodies after an exposure..thus the 6 month window. I believe a colleague of mine Lyssette Cardona, MD is in Dubai..she's one of the best!! ...Read more

Dr. Warren Foster
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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My ELISA HIV test came up negative after 1month exposure. How accurate is this test?

90%: There's a period of time after a person is infected during which they won't test positive. This is called the “hiv window period.” The window period can be from 9 days to 3-6 months, depending on the person's body and on the HIV-test that's used. ...Read more

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How long after exposure is an RNA HIV test accurate?

3-7 days: HIV RNA can be detected by available methods like PCR within 3-7 days after exposure. If you suspect exposure it is recommended that you start post exposure prophylaxis (medication) within 3 days or as early as possible ...Read more

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How long after the exposure should I wait to get a 100% accurate and reliable result for HIV test? 3 or 6 month

How long after the exposure  should I wait to get a 100% accurate and reliable result for HIV test?
3 or 6 month

6months: Usually test is conclusive after 6months .There have been some rare cases where sero conversion took up to a year to occur ...Read more

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How long after possible HIV exposure can I get a definitive test result from a home oraquick HIV test?

NEVER definitive: There are several percent false negatives on home oraquick. Alex, you can't go on worrying like this -- it'll slow you down emotionally and interfere with your work and just being happy. Get with your primary care physician and pay for a nucleic acid test now. It's better to know, no matter what the result. Be brave, cherish the memory of love, and move on with your life. ...Read more

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I took a oraquick at home HIV test that you buy from drugstore 6 years after possible exposure. Is that too long after to take it? I did two of them to be extra sure, if that matters. Both negative.

HIV: It is never too long or too late to get tested if you had a possible exposure to HIV and want to know if you contracted the disease. It can however be too early for some people if they test too soon after an exposure to catch the virus before it becomes apparent on usual blood screening tests. ...Read more

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Help me.How long window period for HIV test of fourth generation ECLIA cobas 6000(combo) for HIV p24antigen & HIV antibody1 & 2 after exposure?

Help me.How long window period for HIV test of fourth generation ECLIA cobas 6000(combo) for HIV p24antigen & HIV antibody1 & 2  after exposure?

HIV testing: These antibody tests can take twelve weeks or more to be valid. If you are worried about an exposure the HIV rnaa test can b valid at 21days dater exposure. Please know that HIV infection can be prevented with post exposure prophylaxis...You just sve to act within 72 hours post exposure for it to work. ...Read more

Dr. Tony Ho Dr. Ho
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How long after HIV exposure from unprotected sexual intercourse until your HIV test could be positive?

Dr. Tony Ho Dr. Ho
1 doctor agreed:
How long after HIV exposure from unprotected sexual intercourse until your HIV test could be positive?

1 month: Modern elisa tests are good at about 1 month after exposure. Testing protocols recommend one more test at 3 months to be sure. ...Read more

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Is 7 months after exposure HIV test conclusive?

Is 7 months after exposure HIV test conclusive?

Likely yes: While there has been documented cases of seroconversion up to 15 months after exposure......My experience tells me you should be out of the woods. ...Read more

Dr. Lisa Oldson
368 doctors shared insights

Hiv Test (Definition)

There are several ways to detect the HIV virus. The first is by antibodies. This includes eia (enzyme immuno assay). The rapid HIV tests are these types. The second way detects proteins on the viral coat (western blot). This is a gel plate electrophoresis. Thirdly there is pcr (polymerase chain reaction). This detects and amplifies dna allowing a viral ...Read more


Dr. Ed Friedlander
1,454 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