A member 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?

A doctor has provided 1 answer
Dr. Robert Killian answered

Specializes in General Practice

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.

Answered 12/17/2017

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Window period for fourth generation hiv test? 4 weeks enough?

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