HIV antigen and antibody testing three months after high-risk behavior is generally able to ensure the accuracy of the time, but only in the Center for Disease Control and Prevention and other formal institutions to ensure the accuracy of the test results, and through the self-test paper test can not be sure of the accuracy of the results of the HIV antigen antibody test.
Generally, HIV antibodies are produced in the body about 6 weeks after HIV infection, and can be detected through blood sampling; three months after high-risk behaviors to detect HIV antigenic antibodies, basically has exceeded the upper limit of the AIDS window period, which can ensure the accuracy of the test results.
If the test in the hospital or CDC and other formal institutions for negative reaction can be ruled out HIV infection, do not need to be tested again, if the two test antibody positive, can be diagnosed as AIDS.
If you test for HIV antigens and antibodies three months after having high-risk behavior, and if you doubt the accuracy of the results, it is recommended that you go to the hospital in time.