HIV and AIDS: Causes, symptoms, treatment, and more - Medical News Today
HIV is a virus that targets the immune system. It damages and destroys white blood cells called CD4 T cells. Without treatment, HIV can progress to an advanced stage called stage 3 HIV, or AIDS. The World Health Organization (WHO) estimates there were nearly 39 million people living with HIV worldwide by the end of 2022. In the United States, there were 1.2 million people living with HIV at the end of 2021. HIV is a serious medical condition that damages the immune system. If left untreated, the virus can progress through three stages that may seriously impair a person's quality and duration of life. That said, due to medical advances, people with HIV who receive appropriate treatment rarely develop stage 3 HIV, or AIDS. They can manage their condition and live long, healthy lives. As of 2022, 76% of people with HIV were receiving antiretroviral therapy. AIDS-related deaths have also significantly decreased by 51% since 2010. This article explores HIV and AIDS, including the symp...