title: Epidemic focus: Lassa Fever.
mesh_terms: D000349:Africa / Q000453:epidemiology; D000818:Animals; D004196:Disease Outbreaks; D005858:Germany / Q000453:epidemiology; D006801:Humans; D007835:Lassa Fever / Q000453:epidemiology* / Q000517:prevention & control / Q000635:transmission; D051381:Rats; D013548:Sweden / Q000453:epidemiology