Community-wide use of a "balanced" trivalent oral poliovirus vaccine (Sabin). A report of the 1961 trial at Prince Albert, Saskatchewan.
D006801:Humans; D011051:Poliomyelitis / Q000276:immunology*; D011055:Poliovirus Vaccine, Oral; D012111:Residence Characteristics; D012525:Saskatchewan
D011055:Poliovirus Vaccine, Oral
POLIOMYELITIS/immunology