Combo vaccine reduces risk of HIV infection, researchers say

"A vaccine to prevent HIV infection, the virus that leads to AIDS, has shown modest results for the first time, researchers have found, raising hopes that a disease that kills millions every year may someday be beaten."

"In what is being called the world's largest HIV vaccine trial ever -- involving more than 16,000 participants in Thailand -- researchers found that people who received a series of inoculations of a prime vaccine and booster vaccine were 31 percent less likely to get HIV, compared with those on a placebo." read more info here