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Editor's Correspondence
October 9, 2006

Acquired Hydrocephalus Caused by a Variant Lymphocytic Choriomeningitis Virus

Arch Intern Med. 2006;166(18):2044-2046. doi:10.1001/archinte.166.18.2044

Lymphocytic choriomeningitis (LCM) virus is a rodent-associated zoonotic arenavirus that causes asymptomatic or mild illness and aseptic meningitis in humans.1 Recently, attention has been drawn to LCM after a cluster of fatal cases in transplantation patients.2 Hydrocephalus is common in congenital LCM but uncommon in acquired infections. We present herein a case of acquired hydrocephalus caused by a variant LCM virus and the genetic identification of the zoonotic source.