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St. Louis Encephalitis

St. Louis encephalitis (SLE) is an arbovirus (arthropod borne virus) transmitted by mosquitoes and was first identified in the 1930s as an important cause of mosquito-borne encephalitis in humans. SLE has been reported in nearly every state in the continental United States. SLE is not commonly reported in West Virginia residents.

Reporting Guidelines


Current Case Definition

Required Forms

LHD Tools

Surveillance Data:

General Information

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