title: Pertussis--United States, 1982 and 1983.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D014481:United States; D014917:Whooping Cough / Q000453:epidemiology*