Prevention and Transmission

No one should be punished for having a health condition. Learn more about laws that treat HIV as a crime, and what they mean for women.

Learn more about how HIV interacts with the human body, what counts as HIV exposure, and how HIV testing is the only way to know if you have acquired HIV.

Learn all about HIV testing: why, when, and where to get tested; types of tests – including at-home tests – and getting your results.

Get the basics on HIV transmission: how HIV is and is not spread, common types of transmission, and how to avoid acquiring HIV.

Did you know that taking HIV drugs prevents HIV transmission to your sexual partner(s)? Find out how HIV TasP works and how it can change the course of the HIV pandemic.

HIV treatment guidelines provide a lot of useful health information. Learn more about specific guidelines for people living with HIV who wish to become pregnant, are pregnant, or have given birth.

Get basic information on how vaccines work and answers to many common questions about a vaccine against HIV.

See a list of health and service providers who are knowledgeable and affirming of parents' choices around infant feeding and HIV.

Get answers to many questions about microbicides – what they are, how they work, what is happening in microbicide research, and more.

Learn the most common myths – and realities – about HIV: treatment, tests, transmission, and more.