Communitywide vaccination program with attenuated poliovirus in Andes, Colombia.
D003105:Colombia; D030015:Enterovirus C, Human; D006801:Humans; D017589:Immunization Programs; D011051:Poliomyelitis / Q000276:immunology*; D017955:Poliovirus; D014611:Vaccination
POLIOMYELITIS/immunology