Following initial infection an individual may not notice any symptoms, or may experience a brief period of influenza-like illness. Human immunodeficiency virus infection and acquired immunodeficiency syndrome ( HIV/AIDS) is a spectrum of conditions caused by infection with the human immunodeficiency virus (HIV), a retrovirus. Near normal life expectancy with treatment ġ1 years life expectancy without treatment Ħ4.4 million – 113 million total cases Safe sex, needle exchange, male circumcision, pre-exposure prophylaxis, post-exposure prophylaxis Unprotected anal or vaginal sex, having another sexually transmitted infection, needle sharing, medical procedures involving unsterile cutting or piercing, and experiencing needlestick injury
Later: Large lymph nodes, fever, weight loss The red ribbon is a symbol for solidarity with HIV-positive people and those living with AIDS.
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