AIDS vaccine

Vaginal Gel Helps Women Cut AIDS Risk

As the world hopes for an HIV vaccine following recent positive developments, a new study in South Africa shows that a vaginal gel made using Gilead Sciences' AIDS drug Viread cut HIV infections in women by as much as 50%.

Found: Antibodies That Can Stop Most Strains of AIDS

The NIH says the two naturally occurring, powerful antibodies came an HIV-infected individual. Scientists found these antibodies not only neutralize more HIV strains, but do so with greater strength than previously known antibodies.