Assertion: lassa fever | /r/CreatedBy | infection
Facets:
value: with the lassa virus
type: OTHER
Source sentences:
text: Lassa fever is caused by infection with the Lassa virus, the virus is named after the town in Nigeria where the first identified cases occurred.
text: Lassa fever—caused by infection with the Lassa virus—is named after the town in Nigeria where the first identified cases occurred.