title: Syphilis outbreak sparks concerns.
authors.forename: Joan
authors.initials: J
authors.lastname: Stephenson
mesh_terms: D001727:Bisexuality; D004196:Disease Outbreaks; D015658:HIV Infections / Q000453:epidemiology / Q000635:transmission; D018451:Homosexuality, Male; D006801:Humans; D008297:Male; D009519:New York City / Q000453:epidemiology; D012307:Risk Factors; D021841:Safe Sex / Q000706:statistics & numerical data; D013587:Syphilis / Q000453:epidemiology* / Q000635:transmission; D014481:United States / Q000453:epidemiology