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Doctor insights on: 3 Month Hiv Test Conclusive

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According to WHO, 6 weeks HIV test is conclusive (unless I miss understood it) then why CDC recommends 3 to 6 months for conclusive results?

According to WHO, 6 weeks HIV test is conclusive (unless I miss understood it) then why CDC recommends 3 to 6 months for conclusive results?

The "Window Period": Window period is the time it takes lymphocytes to develop antibodies to an antigen. This is usually 4-6 weeks but can be as long as 3 months. By 3 months after exposure...97% of people will have antibodies to antigen. In rarer instances it may take up to 6 months to develop antibodies. After 6 months..99% of people exposed will have antibodies to viral antigens. Therefore the 3 to 6 months!!! ...Read more

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Dr. Vicken Poochikian
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Dr. Abraham Jaskiel
9 doctors shared insights

Hiv (Definition)

HIV is also known as HIV/AIDS. 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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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

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Dr. Vicken Poochikian
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3
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

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4
Is HIV three months test conclusive(no exposure from past three months) no matter how many exposures exposed ?

Yes: It is conclusive. If you are still concerned, repeat the test 6 months after exposure but 3 months is considered sufficient. ...Read more

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Dr. Vicken Poochikian
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5
4 month neg HIV test brief unprotected encounter with female is this conclusive 3 2ndgenantibodies test neg three rapids neg and a PCR undetectable ?

4 month neg HIV test brief unprotected encounter with female is this conclusive 3 2ndgenantibodies test neg three rapids neg and a PCR undetectable ?

Probably, clarify.: The standard HIV test is first the elisa, for screening, and then the western blot for specificity. The western blot is done if the elisa test is positive. Nucleic acid tests, like pcr, are used in testing donor blood. Although the basic tests can be extermely accurate there is a chance of false negatives due to the up to 6 month seroconversion time it takes to make antibodies. See my comment. ...Read more

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For what category of people and conditions required to retest a HIV test after 6months as most websites say it is conclusive after 3 month period?

For what category of people and conditions required to retest a HIV test after 6months as most websites say it is conclusive after 3 month period?

HIV: Its not conclusive after 3 months..your not using reputable web sites. Go to NIH or Body.com. It takes 6 for 99.9% certainty. If there's any repeat exposure..then retesting is needed. ...Read more

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7

7
According to WHO, 6 weeks HIV test is conclusive (unless I miss understood it) then why CDC recommends 3 to 6 months for conclusive results?

The "Window Period": Window period is the time it takes lymphocytes to develop antibodies to an antigen. This is usually 4-6 weeks but can be as long as 3 months. By 3 months after exposure...97% of people will have antibodies to antigen. In rarer instances it may take up to 6 months to develop antibodies. After 6 months..99% of people exposed will have antibodies to viral antigens. Therefore the 3 to 6 months!!! ...Read more

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9
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

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10

10
Hiv test after 6 months conclusive ?

Hiv test after 6 months conclusive ?

HIV: Yes. Except for rare instances (and these are in some question), testing negative at 6 months ensures an absence of disease. If you want to be absolutely certain you can spend the money and have pcr for viral RNA done. This will guarantee you are negative if it is not detectable. ...Read more

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Dr. Lisa Oldson
322 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
1,314 doctors shared insights

Human Immunodeficiency Virus (Definition)

Human immunodeficiency virus is also known as HIV/AIDS. 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


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Dr. Vicken Poochikian
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