Poliomyelitis among white immigrants to South Africa.
D000328:Adult; D000368:Aged; D004641:Emigration and Immigration; D005007:Ethnology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011051:Poliomyelitis / Q000453:epidemiology* / Q000401:mortality; D012723:Sex; D013019:South Africa; D044465:White People