HIV symptoms occur in three stages, with the first symptoms potentially appearing within weeks of contracting the virus, or not for many years. Antiretroviral treatment can reduce HIV to undetectable ...
HIV-1 and HIV-2 are both types of HIV. While both weaken the immune system, HIV-2 develops more slowly and has a lower transmission rate than HIV-1. HIV-2 is resistant to some medications that can ...
Human immunodeficiency virus (HIV) attacks CD4 “helper” T cells, weakening immunity and raising infection risk. AIDS (stage 3 HIV) occurs when CD4 drops below 200. HIV spreads through blood, semen, ...
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