Isolation of enteric viruses during the poliomyelitis season in Ontario, 1956-1959.
D004770:Enterovirus; D006801:Humans; D008581:Meningitis / Q000453:epidemiology*; D009864:Ontario; D011051:Poliomyelitis / Q000453:epidemiology*; D012621:Seasons
MENINGITIS/epidemiology; POLIOMYELITIS/epidemiology