Variations in the prevalence of enterovirus infections in Ontario, 1956-1965.
D003384:Coxsackievirus Infections / Q000453:epidemiology; D004457:Echovirus Infections / Q000453:epidemiology; D004769:Enterovirus Infections / Q000453:epidemiology*; D006801:Humans; D009500:Neutralization Tests; D009864:Ontario; D011051:Poliomyelitis / Q000453:epidemiology; D011055:Poliovirus Vaccine, Oral
D011055:Poliovirus Vaccine, Oral