HIV - Global - World Health Organization (WHO)
https://www.who.int/health-topics/hiv-aids/
WEBDec 2, 2010 · 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 a person’s immunity against opportunistic infections, such as tuberculosis and fungal infections, severe bacterial infections and some cancers.
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