how long does the hiv virus take to show positive
1 2-8 weeks (up to 2 months) after infection, most people will have enough antibodies to test positive. 2  12 weeks (3 months) after infection, about 97% of people will have enough antibodies to test positive.he window period can be from 9 days to 3-6 months, depending on the person's body and on the HIV-test that's used. During that time, you can test HIV negative even though you're HIV infected. You can still catch HIV from someone who is in the window period.