A 43-year-old female asked:
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Positive HIV screener test at blood donation... Negative IFA and Negative NAT... False positive?

1 doctor answer
Dr. William Coutts ii
25 years experience in Family Medicine
Yes: The initial screening test for HIV is very sensitive, but not very specific. The back up screening tests are much more specific for HIV.
Answered on Apr 8, 2015

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