I heard the 4th generation HIV test antigen only detects HIV 1 and not HIV 2. Is this true? Can it detect someone in late stage AIDS? - Quora
HIV tested through fourth gen test after 57 days of potential exposure gave a non-reactive result. I have no symptoms except some itching in my toe and palm, Is this a sign
I tested HIV and found negative in day 88 after exposure, but I have got difficulties in swallowing. Would this be still a sign of HIV? - Quora
I took HIV antibody tests at 6 and 9 months after exposure and both were negative. Do I have to test again? Are the results conclusive? - Quora
![PDF) Probability of a false-negative HIV antibody test result during the window period: a tool for pre- and post-test counselling PDF) Probability of a false-negative HIV antibody test result during the window period: a tool for pre- and post-test counselling](https://www.researchgate.net/profile/Bernhard-Konrad/publication/264056703/figure/tbl1/AS:670338526478352@1536832567571/Probability-of-a-negative-test-result-for-a-third-and-fourth-generation-HIV-test-at_Q320.jpg)