The three previous HIV variants came from chimpanzees. New findings indicate that gorillas, in addition to chimpanzees, are likely sources of HIV.

The Southeast is among the areas of the United States with the highest concentration of cases of HIV and AIDS, according to a new online tool called the National HIV/AIDS Atlas.

South Carolinians are getting the opportunity to get an HIV test, free of charge.

The Illinois Senate voted in favor of legalize medical marijuana for relief from diseases like cancer, AIDS and multiple sclerosis. The bill now goes to the Illinois House.

The researchers found those who received a new HIV drug had a significantly improved CD4 status compared to those who received a placebo.

Aid groups are warning the world’s poorest people will be hungrier, sicker and have fewer jobs as a result of the global financial crisis.