Hepatitis B is not an indicator of HIV infection. Hepatitis B and HIV are two completely different diseases. The Hepatitis B test is used to detect whether a patient is infected with hepatitis B and whether there are protective antibodies in the body. It has nothing to do with AIDS. To test whether a patient is infected with AIDS, a blood test should be performed at a hospital to check for HIV antibodies and to determine whether the patient is infected with AIDS. The HIV antibodies will be positive if the patient is infected with HIV. The HIV viral load and CD4 and T-lymphocyte counts can be further checked to assess the patient’s current status and whether the patient is immunocompromised. Once the HIV infection is diagnosed, the patient should be treated with antiviral drugs as soon as possible. Antiviral treatment will allow the virus in the patient’s body to decline and eventually fall below the lower limit of detection, allowing the patient’s immune function to gradually recover and the CD4 and T-lymphocyte counts to gradually increase to a level close to normal.