Pertussis vaccination.
D002648:Child; D002675:Child, Preschool; D004673:Encephalomyelitis, Acute Disseminated / Q000209:etiology*; D006801:Humans; D007223:Infant; D010567:Pertussis Vaccine / Q000008:administration & dosage / Q000009:adverse effects*; D014611:Vaccination / Q000009:adverse effects*; D014917:Whooping Cough / Q000517:prevention & control*
D010567:Pertussis Vaccine