Truvada, manufactured by Gilead, appears to be working in individuals at high risk of infection, found two new studies.

A health clinic in London has accidentally exposed the identities of nearly 800 members of its HIV clinic — an error that could have serious repercussions for those affected.

A 25-year-old program named for Ryan White, who was expelled from school at age 13 because he had HIV, now provides essential services to nearly three-quarters of HIV-positive patients in the U.S.

Gilead Sciences Inc said its experimental fixed-dose combination treatment for HIV proved as effective in a late-stage study as the company's widely used Truvada combo pill but with significantly less loss of bone mineral density and kidney function this past Wednesday.

Hormonal birth control methods may weaken the immune system in women who already have an unset vaginal environment, and they could further increase women's risk of HIV.

The reasons why people are dying early across the world may surprise you.

For all the caped crusaders out there.

Mens' physically abusive and sexually coercive behavior subjects both themselves and their partner to greater sexual risk.

Using new technology, researchers were able to analyze how a mysterious immune cell ties into susceptibility to HIV.

A French teenager has remained in remission from HIV for 12 years without the need for medication.

Researchers are finding that the way immune cells metabolize cholesterol affects the progression of HIV to AIDS.

An ex-Iowa State University scientist has been sentenced to four-and-a-half years in prison after spiking rabbit blood with human antibodies to give the impression his HIV vaccine was working.