Welcome to HCM.
There is two types of HIV
tests are available.
1. Antigen test - P24, DNA PCR tests will become positive and reliable after 3-4 weeks of risky exposure.
2. Antibody tests - Elisa
, rapid tests are become positive within 8-12 weeks after the risky exposure. Reports will be available on the same day with the antibody tests.
Wish a speedy recovery for your friend.