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A member asked:
Have you ever witness a 6 week or 8 week 4 th generation combo hiv test with reflex change at 12 weeks?
A doctor has provided 1 answer
Nope: It doesn't happen, except perhaps if the exposed/tested person was on anti-HIV treatment during or after exposure (pre- or post-exposure prophylaxis). The term "with reflex" is meaningless. That simply means the lab automatically does confirmatory testing if the initial result is positive. But a negative test is 100% reliable any time after 6 weeks. After that, repeat tests are a waste of money.
Answered 10/6/2018
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