[Epidemiologic parallels in parapertussis and pertussis].
D002353:Carrier State; D002648:Child; D002675:Child, Preschool; D004197:Disease Reservoirs; D006801:Humans; D014917:Whooping Cough / Q000175:diagnosis / Q000453:epidemiology
Epidemiologicheskie paralleli pri parakokliushe i kokliushe.