title: Increases in primary and secondary syphilis--United States.
mesh_terms: D001741:Black or African American; D005260:Female; D006716:Homosexuality; D006801:Humans; D008297:Male; D012737:Sex Factors; D013587:Syphilis / Q000145:classification / Q000453:epidemiology*; D014481:United States; D044465:White People