A 25-year-old female asked:
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how long does it take for hiv to show up in blood test?

1 doctor answer
Dr. David Rosenthal
20 years experience Allergy and Immunology
Depends on the test: The older third generation HIV screening test did not show HIV for 2 to 8 weeks (average 25 days). The fourth generation tests which were just approved in the usa this year can detect HIV in 11 days to 1month after infection.
Answered on Nov 18, 2018
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