title: Whooping cough--a continuing problem.
authors.forename: N S
authors.initials: NS
authors.lastname: Crowcroft
authors.forename: Joseph
authors.initials: J
authors.lastname: Britto
mesh_terms: D021821:Communicable Diseases, Emerging / Q000453:epidemiology* / Q000517:prevention & control; D004196:Disease Outbreaks; D006801:Humans; D017589:Immunization Programs; D007223:Infant; D010567:Pertussis Vaccine / Q000008:administration & dosage*; D014917:Whooping Cough / Q000453:epidemiology* / Q000517:prevention & control
chemical_list: D010567:Pertussis Vaccine