Two of four strains of the virus that can cause AIDS come from gorillas in southwestern Cameroon, an international team of scientists reported in studies published Monday in the United States.
For the first time, a study shows that a drug used to treat HIV infection also can help prevent it when taken before and after risky sex by gay men.
Some U.S. health insurance plans are discriminating against people with HIV by placing antiretroviral drugs in a high-cost category and forcing patients to pay more for coverage, researchers said Wednesday.
Women who use a specific type of injectable birth control have a slightly higher risk of HIV infection than those who take the pill, said a study Friday.
The human immunodeficiency virus (HIV) may lose its ability to cause AIDS over time as more people take anti-retroviral drugs to keep the infection at bay, researchers said Monday.
As many as 70 percent of people infected with HIV in the United States do not have the virus under control, boosting the risk of transmission, according to a study Tuesday.
South African actress Charlize Theron threw her weight Tuesday behind an urgent new U.N. campaign to end AIDS as a global health threat by 2030.
Semen appears to interfere with microbicide gels to prevent HIV, possibly explaining why they work in the lab but not in real-life situations, scientists said Wednesday.
French scientists said Tuesday they had found the genetic mechanism by which two HIV-infected men may have experienced a "spontaneous cure," and said it offered a new strategy in the fight against AIDS.
A new genetic history of HIV shows how the pandemic almost certainly took root in the 1920s in Kinshasa in the Democratic Republic of Congo, researchers said Thursday.