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A 24-year-old male asked:

Hi doctor, can i know how accurate rapid duo test 24 days after exposure? my exposure is protected sex and unprotected oral sex(cunnilungus).

2 doctor answers2 doctors weighed in
Dr. Darrin Cunningham
Obstetrics and Gynecology 30 years experience
11 days: The Rapid Duo Test is very accurate as early as day 11 post exposure. Having a negative test at day 24 should give you peace of mind. Speak with your doctor about chronic prevention as well. Truvada daily helps prevent transmission especiall if used with condoms. Use of oral dam can help prevent oral transmission. People can enjoy a healthy sex life, but use appropriate precautions
Dr. Hunter Handsfield
Infectious Disease 53 years experience
Nearly conclusive: The duo test (either rapid or lab based) picks up the large majority of infections by 24 days, but requires 4 weeks for 98-99% accuracy and 6 weeks for 100%. But your current result is really 100% conclusive because your risk was so low. Condoms work; and HIV is not known to be transmitted by cunnilingus. (There has never been a reported case of HIV transmission by oral-vaginal contact.)

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Last updated Jan 9, 2018

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