[3 cases of pertussis in infants].
D006801:Humans; D007223:Infant; D009426:Netherlands; D010567:Pertussis Vaccine / Q000627:therapeutic use*; D014917:Whooping Cough / Q000453:epidemiology* / Q000517:prevention & control
D010567:Pertussis Vaccine
Drie gevallen van pertussis bij zuigelingen.