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For how long after exposure does someone needs to wait before hiv tests are done.Does it take too long for hiv to resides and detected in the body.From the date of exposure when can the tests be done?
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340962 tn?1201175636
To be conclusive 12 weeks. After 4 weeks 80-90% will show positive and from 6-8 weeks up to 98% will show positive.  Best to be on the safe side and test at 12 depending on your exposure.
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