infection rate

(Newser) - A new vaccine tested in Thailand has protected a significant minority of subjects against HIV infection—marking the first time a vaccine has shown even partial success against the virus that causes AIDS. The 16,000-volunteer study, undertaken by the US Army, the Thai health ministry, and two drug companies,...

(Newser) - The number of people over the age of 50 with HIV is growing swiftly worldwide, AFP reports. In America, the percentage of those infected with the virus in that age group rose from 20% to 25% between 2003 and 2006, says a WHO report. In Brazil, the over-50 infection rate...