title: Poliovirus excretion by preschool children during an epidemic.
mesh_terms: D002648:Child; D002675:Child, Preschool; D030015:Enterovirus C, Human; D005243:Feces / Q000821:virology*; D006801:Humans; D011051:Poliomyelitis / Q000453:epidemiology* / Q000635:transmission*; D017955:Poliovirus
keywords: FECES/virology; POLIOMYELITIS/epidemiology; POLIOMYELITIS/transmission