Meningitis in Africa. Epidemic situation, January-March 1997.
D002050:Burkina Faso / Q000453:epidemiology; D004196:Disease Outbreaks; D005869:Ghana / Q000453:epidemiology; D006801:Humans; D008581:Meningitis / Q000453:epidemiology*; D014037:Togo / Q000453:epidemiology