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Hi doctor,i am from indonesia,im so confused with hiv window period,so few years ago i have unprotected sex with multiple woman,and i have multiple hiv test to,from rapid test to elisa,i dont really know generation the elisa test is,but i asume maybe 3rd generation,and all result is negative,and last im take hiv test is 3 month after receiving oral sex,and the result is negative to,with index value 0,41,what thats index value means?and i read some question about hiv window period in this forum,and i am more confused,because some case the dr says hiv window period is 6 month,some case 3 month,and some case is test every 4 weeks until 12 weeks,and test every 4 weeks until 6 month,so which one is hiv window period?please reply because im so confused,thanks before..

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replied November 3rd, 2017
HIV and AIDS Answer A62493
Welcome to e health forum.

As per CDC recommendations, the only test used to screen for HIV is the ELISA test, which detects HIV antibodies in the body secretions and or blood. The 4th generation ELISA tests for HIV, detects both the HIV antibody as well as antigens of HIV virus. Hence the test that is very accurate and sensitive at detecting HIV infection. This test can be done after 4 weeks of exposure. If found negative, the test should repeat it every 4 weeks until 12 weeks.

In case the test results are negative after 12 weeks, then you can consider yourself as HIV free.

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