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The human immunodeficiency (IH-myoo-noh-di-FISH-uhn-see) virus, or HIV, is a sexually transmitted infection and causes acquired immunodeficiency syndrome, or AIDS. Today, about one in four Americans living with HIV are women.


What is HIV/AIDS?


Women are at risk of HIV

Preventing HIV infection

Get tested for HIV

Living with HIV/AIDS

Opportunistic infections and other conditions

Treatments for HIV/AIDS

Research and clinical trials in HIV/AIDS

AIDS worldwide

Government in action on HIV/AIDS

Share your story

Anonymous from Illinois says...

Although I am HIV negative, I would like to share my story. I am a 26 year old woman. I've been married for 5 years and have been with the same man for 8. When I was younger I had the "it won't happ... (more)

Read all the stories or share your own.


  • pdf iconRecommended Immunizations With HIV exit disclaimer (PDF, 26 KB) – Find out what vaccines you should get — and which ones you should avoid — if you are HIV‑positive.
  • Join a community exit disclaimer – Share your personal or professional story about HIV prevention at the 30 Years of AIDS online community, from the CDC's Divisions of HIV/AIDS Prevention.
  • Fighting HIV in African-Americans – African‑American men are at the highest risk of being infected with HIV. To learn more about HIV testing among African‑American men, watch the CDC‑TV exit disclaimer  video, "A Need to Know" exit disclaimer.

HIV/AIDS was reviewed in full or in part by:

Gina M. Brown, M.D.
Coordinator for Microbicides Research and Women and Girls Research Office of AIDS Research
National Institutes of Health

Melonie Heron, Ph.D.
Centers for Disease Control and Prevention,
National Center for Health Statistics

Lisa Hirschhorn, M.D., M.P.H.
Assistant Clinical Professor of Medicine
Harvard Medical School
Senior Clinical Advisor, HIV/AIDS
JSI Research and Training

Gretchen Stiers, Ph.D.
HIV/AIDS Policy Lead
Office of Policy, Planning and Innovation
Substance Abuse and Mental Health Services Administration

Content last updated July 01, 2011.

Resources last updated July 01, 2011.

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Woman facing AIDS