A member asked:

I had a hiv duo test(negative)at 28days after unprotected sex and 27 after oral. i heard combo is 99, 89% reliable at 4 weeks.1 day can make differenc?

A doctor has provided 1 answer

Glad you're good: It'll be about equally reliable. Keep loving safely and get checked again if you truly think you need it.

Answered 10/24/2020

4.9k views

Thank

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