Meningitis in the 1860s.
Sourkes
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TL
D004196:Disease Outbreaks / Q000266:history*; D005858:Germany / Q000453:epidemiology; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008581:Meningitis / Q000453:epidemiology / Q000266:history*; D012425:Russia (Pre-1917) / Q000453:epidemiology