Which arthropod-borne viruses cause meningitis?

Updated: Jul 16, 2019
  • Author: Rodrigo Hasbun, MD, MPH; Chief Editor: Michael Stuart Bronze, MD  more...
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The most common arthropod-borne viruses are West Nile virus, St Louis encephalitis virus (a flavivirus), Colorado tick fever virus, and California encephalitis virus (bunyavirus group, including La Crosse encephalitis virus). St Louis encephalitis virus is a mosquito-borne flavivirus that may cause a febrile syndrome, aseptic meningitis syndrome, and encephalitis. Other members of the flavivirus group that may cause aseptic meningitis include tick-borne encephalitis virus, Powassan encephalitis, and Japanese encephalitis virus. Toscana virus is one of the most common causes of aseptic meningitis in the Mediterranean and is transmitted by a sandfly. [8]

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