title: Pertussis in an infant.
authors.forename: S
authors.initials: S
authors.lastname: Walsh
mesh_terms: D000293:Adolescent; D004196:Disease Outbreaks; D006801:Humans; D008403:Mass Screening; D008404:Massachusetts; D014917:Whooping Cough / Q000453:epidemiology* / Q000517:prevention & control