Poliomyelitis: comparison of responses of vaccinated and naturally immune humans to ingestion of attenuated poliovirus.
D004435:Eating; D030015:Enterovirus C, Human; D040821:Human Characteristics; D006801:Humans; D011051:Poliomyelitis / Q000276:immunology*; D017955:Poliovirus
POLIOMYELITIS/immunology