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A member asked:
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?
A doctor has provided 1 answer
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!!!
Answered 7/7/2017
3.5k views
Thank
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If CDC and WHO recommends HIV test has to be done after 3 months of exposure then why some doctors suggest to retest again after 6 months ?confused
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Most experts say a HIV test at 6 weeks using a 4th gen test is conclusive includingthe CDC. How long after PEP treatment should I wait to get a conclusive test after PEP?
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Is hiv combo test conclusive at 8 wks or needed a 12 wk test as requested my cdc guidelines?
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