The Understanding HIV/AIDS module has easy-to-read factsheets and infographics about a wide range of HIV-related topics, all of which may be copied and distributed. This includes educational materials on HIV prevention, treatment, side effects, pregnancy, screening, testing, and research.

To get started with the basics of HIV, we recommend starting with the HIV Overview section and working very closely with your health care provider to determine the most appropriate HIV prevention or treatment options for you. For additional HIV information, please visit’s HIV Basics section and the Centers for Disease and Control Prevention HIV/AIDS section. If you are a health care provider looking for the federally approved medical practice guidelines for the treatment of HIV/AIDS, drug information and a glossary of HIV/AIDS related terms please visit is a service of the U.S. Department of Health and Human Services (HHS) and is maintained by the National Institutes of Health (NIH) Office of AIDS Research (OAR). is 100% federally funded and sponsored by the OAR. OAR coordinates HIV/AIDS research across the NIH. The NIH provides the largest public investment in HIV/AIDS research globally.


In September 2020 the Office of AIDS Research (OAR) transitioned the public and websites from the National Library of Medicine (NLM) to OAR and the Department of Health and Human Services (HHS) Office of Infectious Diseases and HIV/AIDS Policy (OIDP). The websites have been renamed and HIVinfo features the Understanding HIV components including easy-to-understand fact sheets and infographics. Clinicalinfo features the HIV Clinical Treatment Guidelines, the HIV Drug Database, and the Glossary. Both sites feature Spanish pages that can be accessed using the Spanish (es) dropdown.

Disclaimer services and staff cannot replace direct communication with your health care provider(s). The staff cannot respond to specific medical questions, offer medical advice, give second opinions, or make recommendations about specific therapies.

HIVinfo neither allows advertising on the website, nor endorses any company or products.