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WordNet
lymphocytic choriomeningitis

n. a form of viral meningitis caused by a virus carried by the common house mouse

Wikipedia
Lymphocytic choriomeningitis

Lymphocytic choriomeningitis (LCM), is a rodent-borne viral infectious disease that presents as aseptic meningitis, encephalitis or meningoencephalitis. Its causative agent is the Lymphocytic Choriomeningitis Virus (LCMV), a member of the family Arenaviridae. The name was coined by Charles Armstrong in 1934.