Results better than expected and may even suggest unvaccinated individuals benefiting because of a drop in number of infections circulating More
Announcement could lead to increased funding for obesity research and help people obtain insurance coverage for treatment More
Study finds poorest are twice as likely to contract the often fatal mosquito-borne disease -- and that alleviating poverty may be preventiveMore
South African study also says widespread homophobia may keep gays from receiving information and care that they need More
New HIV infections are down nearly 20 percent during the past decade; new infections and AIDS-related deaths are down by almost one-third More