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A 46-year-old male asked:

I tested for hiv via lab using gen 4 antibody/antigen 25 days after possible exposure. results were negative. the sexual activity was oral with condom and i did minor fingering on vagina. should i do retest? or am i been paranoid?

2 doctor answers2 doctors weighed in
Dr. Donald Colantino
Internal Medicine 63 years experience
This scenario should result in hiv transmission. Your test would detect 99% of hiv infections when performed in 6 weeks. If done before that a confirmatory test is needed at 3 months. Your public health department can also advise you.
Created for people with ongoing healthcare needs but benefits everyone.
Dr. Hunter Handsfield
Infectious Disease 55 years experience
I believe there's a typo in in Dr. C's reply: "This scenario should NOT result in HIV transmission."
Nov 23, 2022
Dr. Hunter Handsfield
Infectious Disease 55 years experience
This was a zero-risk exposure for HIV and other STDs. You didn't need HIV testing at all. But this result is around 95% conclusive. You could have another at 6 weeks for a conclusive result, but there's really no need.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Nov 23, 2022
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