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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Are HIV 3rd And 4th Generation Tests Done 11 Months Post Exposure Conclusive?

Hi doctor i am from greece and i dont know to speek very good.i have make test 3rd and 4th generation for 10 times at last 11 months and all its negative but i am steel afraid about the window period.my ask is this:how many posibilitis their exist to not find the hiv in my body that test.i have good hethles with no probles
Fri, 17 Feb 2017
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General & Family Physician,  's  Response
HIV screening is done by ELISA test and confirmation is done by Western blot test. HIV test reactivity depends upon development of antibodies against HIV. Sometime it develops early, but sometimes it takes time to develop. Post exposure testing is done initially and at six weeks, three months, and six months. After six months, if it still comes non – reactive then you will be declared HIV negative. Modern HIV test is very accurate. A single screening test is correct more than 99% of the time. You test is negative even after 11 months so there is no need to worry. You do not have HIV infection. There is no need for further investigation. But be careful in future. Use protection during sex with unfaithful partner.
I hope this information will help you. I will be happy if you ask another question
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Are HIV 3rd And 4th Generation Tests Done 11 Months Post Exposure Conclusive?

HIV screening is done by ELISA test and confirmation is done by Western blot test. HIV test reactivity depends upon development of antibodies against HIV. Sometime it develops early, but sometimes it takes time to develop. Post exposure testing is done initially and at six weeks, three months, and six months. After six months, if it still comes non – reactive then you will be declared HIV negative. Modern HIV test is very accurate. A single screening test is correct more than 99% of the time. You test is negative even after 11 months so there is no need to worry. You do not have HIV infection. There is no need for further investigation. But be careful in future. Use protection during sex with unfaithful partner. I hope this information will help you. I will be happy if you ask another question Thank