Blood tests for HIV are generally available within 48 hours, but some hospitals usually collect large samples, so the results of the blood test may be slow to come out. HIV antibody testing can be done by blood test, do not easily believe in the so-called HIV test paper test on the Internet, and for HIV antibody testing, it must be done after the HIV window period. If the test is performed within the window period, the result is often negative, but such a result does not indicate that the patient can completely rule out AIDS. If you want to rule out AIDS earlier, it is best to consult with your local health care provider and the CDC about what kind of tests to take and then schedule your blood draw date based on these tests.