title: Pertussis is increasing in unimmunised infants: is a change of policy needed?
authors.forename: C
authors.initials: C
authors.lastname: Smith
authors.forename: H
authors.initials: H
authors.lastname: Vyas
mesh_terms: D005260:Female; D006801:Humans; D007223:Infant; D018445:Infectious Disease Transmission, Vertical; D010567:Pertussis Vaccine / Q000008:administration & dosage*; D014917:Whooping Cough / Q000175:diagnosis*
chemical_list: D010567:Pertussis Vaccine