About 80% of new HIV transmissions can be linked to people whose infection is undiagnosed or is not currently treated, according to findings from a just-published analysis.

According to a new report, serious gaps exist in the research pipeline regarding the development of prevention and treatment options for sexually transmitted infections such as gonorrhea, chlamydia, and syphilis.

The goal of a new national plan is to end the HIV epidemic in the United States.

Researchers are evaluating a vaginal ring designed to protect women against both HIV and herpes simplex virus type 2 in a Phase I study. The trial is being conducted by researchers from the National Institutes of Health-funded Microbicide Trials Network at three U.S. sites in Alabama, California, and Pennsylvania.