title: Reduced risk of pertussis among persons ever vaccinated with whole-cell pertussis vaccine compared to recipients of acellular pertussis vaccines may have been confounded by age.
authors.forename: Nicholas
authors.initials: N
authors.lastname: Kiraly
authors.forename: Shyamali C
authors.initials: SC
authors.lastname: Dharmage
authors.forename: Katrina J
authors.initials: KJ
authors.lastname: Allen
mesh_terms: D004196:Disease Outbreaks; D005260:Female; D006801:Humans; D008297:Male; D010567:Pertussis Vaccine / Q000008:administration & dosage* / Q000276:immunology*; D014917:Whooping Cough / Q000453:epidemiology* / Q000517:prevention & control*
chemical_list: D010567:Pertussis Vaccine