POLIOVIRUS SHEDDING AND SEROCONVERSION. STUDIES OF 816 COSTA RICAN CHILDREN FED TRIVALENT VACCINE.
D000293:Adolescent; D002489:Central America; D002648:Child; D004770:Enterovirus; D029822:Enterovirus B, Human; D004769:Enterovirus Infections; D006801:Humans; D007223:Infant; D017955:Poliovirus; D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines; D014612:Vaccines
D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines; D014612:Vaccines
ADOLESCENCE; CENTRAL AMERICA; CHILD; COXSACKIE VIRUSES; ECHO VIRUSES; ENTEROVIRUS INFECTIONS; INFANT; POLIOVIRUS VACCINE, ORAL