lymphocytic choriomeningitis /lim′fəsit″ik/ [L, lympha + Gk, kytos, cell, chorion, skin, meninx, membrane, itis, inflammation] , an arenavirus infection of the meninges and the cerebrospinal fluid. It is caused by the lymphocytic choriomeningitis virus and characterized by fever, headache, and stiff neck often complicated by aseptic meningitis. The infection occurs primarily in young adults, most often in the fall and winter months. Recovery usually takes place within 2 weeks.
