When plagues don't end.
Gross
Michael
M
D004196:Disease Outbreaks / Q000517:prevention & control*; D015658:HIV Infections / Q000453:epidemiology* / Q000517:prevention & control / Q000635:transmission; D018451:Homosexuality, Male / Q000523:psychology*; D006801:Humans; D015994:Incidence; D008297:Male; D012309:Risk-Taking; D021841:Safe Sex; D014481:United States / Q000453:epidemiology