Welcome to our Forum. Your results indicate that you did not get HIV from the exposure that you describe. Your antibody tests at 4 and 5 weeks would have detected between 90 and 95% of recent HIV infections and the 4th generation test that you had at 51 days provides definitive results (the 4th generation tests are conclusive 4 weeks following exposure). Jun 1, 2012 · Patients attending for HIV testing who identify a specific risk occurring more that 4 weeks previously, should not be made to wait 3 months (12 weeks) before HIV testing. They should be offered a 4th generation laboratory HIV test and advised that a negative result at 4 weeks post exposure is very reassuring/highly likely to exclude HIV infection. Testing Español (Spanish) What is the HIV window period? The window period for an HIV test refers to the time between HIV exposure and when a test can detect HIV in your body. The window period depends on the type of HIV test used. What is the window period for the HIV test I took? Antibody tests can usually detect HIV 23 to 90 days after exposure. Mar 18, 2022 · 2. Combined antigen/antibody tests (also called fourth generation HIV tests) Fourth generation tests look for HIV antibodies as well as something called p24 antigens. The p24 antigens are part of HIV itself. There will be a lot of these in a person’s blood in the first few weeks after infection. Fourth generation tests can reliably detect HIV Dec 14, 2017 · As far as your HIV status is concerned, I think it is negative. It is impossible to imagine a scenario wherein an earlier weakly positive fourth-generation HIV screening test at 10 days, 21 days, and eighth week were finally interpreted as falsely positive by an eighth-week negative HIV confirmatory test to finally change to a scenario wherein Because third-generation tests detect only antibodies to HIV, they cannot detect HIV infection during acute infection—the period after virus acquisition when viral protein (HIV-1 antigen) may be detectable but antibodies to HIV are not. 4 In contrast, fourth-generation HIV-1/2 testing methods can detect HIV-1 antigen as well as HIV-1 and HIV .

3rd generation hiv test at 4 weeks