In amassing work made by the mostly overlooked gay artists who lived and died during the crisis, a global group of collectors is redefining what the Western canon looks like.
At a time when most Thais avoided discussing safe sex and family planning, Mechai Viravaidya promoted condom use with spectacle and humor, saving millions of lives.
People with H.I.V. and other immune-system problems may need the full two-dose regimen, researchers say. But the shots, particularly second doses, are hard to come by.