Three ongoing HIV vaccine trials offer reason to be hopeful, researchers say
But they note that there's no "cause for concern"
Researchers at the University of Pittsburgh are calling it the "Swiss Army knife" of immunotherapies
Plea deal allows Michael Johnson to avoid trial and the risk of a 96-year prison sentence
The man blamed for spreading AIDS in North America was falsely accused, new research shows
Dealing with flu season is easy if you follow our handy guide
Aggressive strain of HIV appears in Cuba