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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Are The Chances Of Delayed HIV Infection After Having Unprotected Sex?

I had unprotected vaginal sex with a lady. 1 . I tested for dna pcr on 16 th day __negative. 2. I tested for rna,duo,p24 antigen 20th day ___negative. What are the chances of delayed hiv?how conclusive are my results I had index value of .17 in duo will it increase to 1.?
Tue, 11 Feb 2014
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Infectious Diseases Specialist,  's  Response
Hello,
Welcome to HCM,
Unprotected sex always carries the risk of transmission of HIV infection, if your partner is having the infection.
As you have tested for HIV on 16th and 20th day of exposure and it came as negative, this means that you are either not been exposed to HIV infection or you may be in window period (wait 2 to 8 weeks from the time of possible exposure). Body takes two to 8 weeks to produce antibodies against HIV, but in some cases it can take up to maximum of six months.
So I suggest HIV 1/2 test after 90 days of possible exposure.
CMI index as such is not important if the HIV tests comes as negative nothing to worry.
But you have to confirm your HIV status after 90 days of possible exposure.
Thank you.
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What Are The Chances Of Delayed HIV Infection After Having Unprotected Sex?

Hello, Welcome to HCM, Unprotected sex always carries the risk of transmission of HIV infection, if your partner is having the infection. As you have tested for HIV on 16th and 20th day of exposure and it came as negative, this means that you are either not been exposed to HIV infection or you may be in window period (wait 2 to 8 weeks from the time of possible exposure). Body takes two to 8 weeks to produce antibodies against HIV, but in some cases it can take up to maximum of six months. So I suggest HIV 1/2 test after 90 days of possible exposure. CMI index as such is not important if the HIV tests comes as negative nothing to worry. But you have to confirm your HIV status after 90 days of possible exposure. Thank you.