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Third Generation Elisa

Dec 28, 2009

How well do third generation Elissa pick up antibodies at 6 weeks after exposure. I heard most people will seroconvert by 25-30 days post exposure.

Ugh I really hope so I've never been special in life and it would suck to be special in this way.

Response from Dr. McGowan

The modern HIV antibody tests (Elisa) are extremely sensitive (over 99.7%) at detecting HIV antibodies if they are present. Most people if exposed will have antibodies develop by 6 weeks and over 99% of those who will become positive will test positive by 3 months after exposure. It is true that the average time to seroconversion is 22 days, that means that half of people who will be positive will have developed a positive test by that time. So the odds are definitely with you on this.

Best, Joe


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