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A 24-year-old male asked:

Help me.how long window period for hiv test of fourth generation eclia cobas 6000(combo) for hiv p24antigen & hiv antibody1 & 2 after exposure?

1 doctor answer1 doctor weighed in
Dr. Robert Killian
General Practice 29 years experience
HIV testing: These antibody tests can take twelve weeks or more to be valid. If you are worried about an exposure the HIV rnaa test can b valid at 21days dater exposure. Please know that HIV infection can be prevented with post exposure prophylaxis...You just sve to act within 72 hours post exposure for it to work.
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Last updated Dec 17, 2017
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