title: Pertussis outbreaks in the developed world: are acellular pertussis vaccines ineffective? Point.
authors.affiliation: Department of Pediatrics, Max Superspeciality Hospital, Shalimar Bagh, Delhi 110 088, India. drajchitkara@gmail.com.
authors.forename: A J
authors.initials: AJ
authors.lastname: Chitkara
mesh_terms: D000293:Adolescent; D000328:Adult; D001315:Australia / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D019049:Developed Countries / Q000706:statistics & numerical data; D004196:Disease Outbreaks / Q000517:prevention & control / Q000706:statistics & numerical data*; D014943:Global Health; D006801:Humans; D007223:Infant; D009520:New Zealand / Q000453:epidemiology; D010043:Outcome and Process Assessment, Health Care; D010567:Pertussis Vaccine / Q000008:administration & dosage*; D006113:United Kingdom / Q000453:epidemiology; D014481:United States / Q000453:epidemiology; D022282:Vaccines, Acellular / Q000008:administration & dosage; D014917:Whooping Cough / Q000453:epidemiology* / Q000517:prevention & control
chemical_list: D010567:Pertussis Vaccine; D022282:Vaccines, Acellular