Human Immunodeficiency Virus (HIV)

HIV (human immunodeficiency virus) is the cause of AIDS (acquired immunodeficiency syndrome). HIV is a type of virus called a retrovirus, which infects humans when it comes in contact with a break in the skin or tissues such as those that line the vagina, anal area, mouth, or eyes.

Image Collection: Picture of HIV/AIDS

View a picture of the human immunodeficiency virus (HIV), the cause of AIDS (acquired immunodeficiency syndrome) in our image collection.

HIV/AIDS Quiz

Test your medical IQ of HIV and AIDS. Quiz yourself on transmission methods and how HIV/AIDS affects the immune system. Also discover causes, symptoms, tests, and diagnosis of HIV infection.

AIDS

AIDS is the advanced stage of HIV infection. Get information about the history of AIDS, symptoms, signs, diagnosis, statistics, treatment, prognosis, prevention, and research.