Polio outbreak in Netherlands points to dangers of incomplete immunization.
D000328:Adult; D002648:Child; D004196:Disease Outbreaks; D006801:Humans; D009426:Netherlands / Q000453:epidemiology; D011051:Poliomyelitis / Q000453:epidemiology* / Q000517:prevention & control; D011055:Poliovirus Vaccine, Oral; D014611:Vaccination / Q000706:statistics & numerical data
D011055:Poliovirus Vaccine, Oral