|Testing combo to rule out HIV
Jul 26, 2002
Dear Dr. Kull,
1. Does the following testing combo completly rule out HIV infection at 8 months post exposure 2. If so why? 3. Have you heard of anyone who has had these tests all negative at such a late stage and still be infected?
Negative PCR DNA, ELISA, Western Blot and P24 Antigen
| Response from Mr. Kull
One HIV antibody test performed three or more months after exposure is sufficient. There is no need for multiple tests unless there was a known high risk exposure and symptoms you are experiencing are indicative of HIV infection (as determined by a doctor).
Antibody screening is highly, highly sensitive, and intial results are always confirmed by repeat testing on the same sample to rule out error.
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