Jul 15, 2025 · WHO fact sheet on HIV and AIDS with key facts and information on signs and symptoms, transmission, risk factors, testing and counselling, prevention, treatment and WHO response.

Feb 15, 2026 · Human immunodeficiency virus (HIV) is an infection that attacks the body’s immune system, specifically the white blood cells called CD4 cells. HIV destroys these CD4 cells, weakening …

Jul 15, 2025 · 概述 人类免疫缺陷病毒（艾滋病毒）攻击人体免疫系统。获得性免疫缺陷综合症（艾滋病）发生在感染的最晚期。 艾滋病毒以人体的白细胞为目标，削弱免疫系统。这使得感染者更容易患 …

Jul 30, 2024 · For people living with HIV who are not diagnosed or taking ART, signs of HIV-related illness may develop within 5–10 years, although it can be sooner. The time between HIV …

Jul 18, 2025 · Key facts on HIV. Since the beginning of the epidemic, 91.4 million [73.4–116.4 million] people have been infected with the HIV virus and about 44.1 million [37.6–53.4 million] people have …

Aug 1, 2023 · The Human Immunodeficiency Virus (HIV) targets the immune system and weakens people's defense systems against infections and some types of cancer. It is transmitted through …

Jun 5, 2020 · The most common route of transmission of HIV infection in India is unprotected sexual intercourse with an infected person, followed by mother to child transmission during pregnancy, …

Nota descriptiva de la OMS acerca del VIH: datos, signos y síntomas, transmisión, factores de riesgo, diagnóstico, prevención, tratamientos y respuesta de la OMS.

Since the beginning of the epidemic, 91.4 million [73.4–116.4 million] people have been infected with the HIV virus and about 44.1 million [37.6–53.4 million] people have died from HIV-related causes. …

Jul 22, 2024 · 艾滋病毒仍然是世界上最重大的公共卫生挑战之一，尤其是在低收入和中等收入国家。 由于在获得抗逆转录病毒治疗方面取得了一些进展，艾滋病毒阳性患者现在的寿命更长，生活更健康。 …