Symposium on meningococcal meningitis. The epidemiology of meningococcal meningitis.
D002353:Carrier State; D004196:Disease Outbreaks; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008297:Male; D008585:Meningitis, Meningococcal / Q000453:epidemiology* / Q000266:history; D013019:South Africa