Graying plague: by 2015 over half of HIV in U.S. will be in those over 50. Late diagnoses contribute to problem.
D017088:AIDS-Related Opportunistic Infections / Q000453:epidemiology; D000375:Aging; D015658:HIV Infections / Q000150:complications / Q000175:diagnosis / Q000453:epidemiology*; D006801:Humans; D008875:Middle Aged; D014481:United States / Q000453:epidemiology