Which is the most commonly used test to screen for HIV infection?

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The most commonly used test to screen for HIV infection is a blood test that determines if antibodies to the virus are present. This test is called an HIV antibody test, and it detects the presence of antibodies that the body produces in response to HIV infection. The test does not directly detect the virus itself, but it indicates if a person has been infected with HIV. Other tests, such as a viral load test, can detect the presence of the virus itself, but they are not typically used as a screening tool for HIV infection.

Which Is the Most Commonly Used Test to Screen for HIV