Assertion: lassa fever | /r/HasProperty | discovered
Facets:
Source sentences:
text: According to the World Health Organization, Lassa fever is “an acute viral hemorrhagic illness caused by Lassa virus, a member of the arenavirus family of viruses,” and was first identified in 1969 and named after the town in Nigeria where it was discovered.
text: Lassa fever is named after the town in Nigeria where it was first discovered.