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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Are The Results Of HIV Available Within Ten Days?

Hi Sir My name is sajin from India, I have a doubt about HIV virus carrying person My one of the friend just had sex with a girl without condom before 4 days, after that he is very mood off that he thinks that he is carrying hiv virus, this is happened just few days back only , he is donating his blood every three months, his next blood donate date after 5 days, it means if he is carrying the virus , there will be only 10 days difference between carrying and donating date if he donate blood in this time, may it transmit to receiver’s blood ! is there (while receiving blood) any test for know that he has HIV + or not in this time limit ? Please answer me asoon as possible
Tue, 2 Sep 2014
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HIV AIDS Specialist,  's  Response
Hi,
Welcome to HCM.

Antigen detecting tests like P24 Antigen test and HIV DNA PCR can detect the presence of HIV infection as early as a week on wards. But a negative test would not be so conclusive and it becomes more conclusive by 4 weeks only. But that too, they will be able to detect HIV 1 infection only which is the commonest type of HIV infection and not able to detect HIV 2. Both can be ruled out conclusively only by antibody based tests after 12 weeks.
But during the blood donation also he would not be able to get identified as a HIV positive , in the presence of the infection as he was in window period. At this time there is every chance for the receiver to get the HIV infection by receiving a blood transfusion, if your friend already got infected.
Dr S.Murugan
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Are The Results Of HIV Available Within Ten Days?

Hi, Welcome to HCM. Antigen detecting tests like P24 Antigen test and HIV DNA PCR can detect the presence of HIV infection as early as a week on wards. But a negative test would not be so conclusive and it becomes more conclusive by 4 weeks only. But that too, they will be able to detect HIV 1 infection only which is the commonest type of HIV infection and not able to detect HIV 2. Both can be ruled out conclusively only by antibody based tests after 12 weeks. But during the blood donation also he would not be able to get identified as a HIV positive , in the presence of the infection as he was in window period. At this time there is every chance for the receiver to get the HIV infection by receiving a blood transfusion, if your friend already got infected. Dr S.Murugan