Western Equine Encephalitis Statistics

• Western equine encephalitis is a disease that occurs infrequently in Minnesota residents.
  
  
• Cases of western equine encephalitis are often reported as part of a regional outbreak (multi-state and Canada).
  • In 1941 there were 791 reported cases (90 deaths) of western equine encephalitis reported in Minnesota residents (some of these may have been due to other causes as there were fewer diagnostic tools then).
  • However, since 1941 human cases have only been detected in three years.
    • The last major outbreak was in 1975 (15 cases).
    • A single case was reported both in 1983 and 1999.
  
  

See also: Mosquitoborne Disease Statistics