Vaccination against whooping cough.
D002675:Child, Preschool; D005069:Evaluation Studies as Topic; D006801:Humans; D007223:Infant; D010567:Pertussis Vaccine / Q000009:adverse effects; D012306:Risk; D018570:Risk Assessment; D014917:Whooping Cough / Q000517:prevention & control*
D010567:Pertussis Vaccine