The epidemic of cerebrospinal fever in the northern provinces of Nigeria, 1949-1950.
D058872:Epidemics; D005334:Fever; D006801:Humans; D008581:Meningitis; D008585:Meningitis, Meningococcal / Q000453:epidemiology* / Q000706:statistics & numerical data*; D009549:Nigeria
MENINGITIS, MENINGOCOCCIC/epidemiology and statistics