3 doctors weighed in:

Is a four week negative HIV antibody test / negative PCR test reliable?

3 doctors weighed in
Dr. Martin Raff
Internal Medicine - Infectious Disease
2 doctors agree

In brief: HIV diagnosis

Antibody titers have been reported to be delayed as long as six months, but this is very unusual.
A negative pcr for viral RNA is virtually determinative of the absence of infection.

In brief: HIV diagnosis

Antibody titers have been reported to be delayed as long as six months, but this is very unusual.
A negative pcr for viral RNA is virtually determinative of the absence of infection.
Dr. Martin Raff
Dr. Martin Raff
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