Susceptibility and immunity in poliomyelitis; a study of age incidence and epidemicity as related to virgin soil outbreaks, early poliomyelitis, geographic distribution, and institutional outbreaks.
D004196:Disease Outbreaks; D004198:Disease Susceptibility; D006801:Humans; D007109:Immunity; D015994:Incidence; D011051:Poliomyelitis / Q000453:epidemiology* / Q000706:statistics & numerical data*; D012987:Soil
D012987:Soil
POLIOMYELITIS/epidemiology and statistics