Syphilis and gonorrhea.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D006069:Gonorrhea / Q000188:drug therapy / Q000453:epidemiology / Q000209:etiology; D006801:Humans; D008875:Middle Aged; D013587:Syphilis / Q000188:drug therapy / Q000453:epidemiology / Q000209:etiology; D014481:United States