title: The recurrence of whooping cough: possible implications for assessment of vaccine efficacy.
mesh_terms: D000907:Antibodies, Bacterial / Q000032:analysis; D001886:Bordetella pertussis / Q000276:immunology; D004196:Disease Outbreaks / Q000517:prevention & control / Q000706:statistics & numerical data*; D004739:England; D006801:Humans; D008433:Mathematics; D010567:Pertussis Vaccine / Q000592:standards*; D012008:Recurrence; D013997:Time Factors; D014611:Vaccination / Q000592:standards*; D014852:Wales; D014917:Whooping Cough / Q000453:epidemiology* / Q000517:prevention & control / Q000635:transmission
chemical_list: D000907:Antibodies, Bacterial; D010567:Pertussis Vaccine