An HIV test is a medical procedure used to detect the presence of the human immunodeficiency virus (HIV) in a person's blood or oral fluids. Early detection of HIV is crucial for managing the virus and preventing its progression to acquired immunodeficiency syndrome (AIDS). HIV is transmitted through certain bodily fluids, such as blood, semen, vaginal fluids, and breast milk. The virus attacks the immune system, weakening the body s ability to fight off infections. ’ There are various types of HIV tests, including antibody tests, combination tests, and nucleic acid tests (NAT). The most common test is the HIV antibody test, which detects antibodies the body produces in response to the virus. These tests can be conducted using a blood sample or an oral swab. HIV tests are usually performed in clinics, hospitals, or at-home test kits. The window period, which is the time between potential exposure to HIV and when a test can reliably detect the virus, varies depending on the type of test used. A rapid HIV test provides results in as little as 20 minutes, while others may take a few days for results. In some cases, a follow-up confirmatory test may be required to ensure accuracy. Testing is important not only for individuals who suspect they may have been exposed to HIV but also for those who want to know their status for peace of mind, to reduce the spread of the virus, and to begin treatment if necessary. Antiretroviral therapy (ART) can manage HIV effectively, allowing people living with the virus to lead long, healthy lives. Regular testing and early intervention remain key strategies in the global fight against HIV/AIDS.