Skip to main content
University of Wisconsin–Madison
UW Crest
Wisconsin Mosquitoes and Mosquito-Borne Diseases
University of Wisconsin-Madison Department of Entomology
  • Welcome
  • Surveys, Trap Counts, and Test Results
  • Mosquitoes & Disease in WI Expand Collapse
    • West Nile Virus
    • Jamestown Canyon Virus
    • Eastern Equine Encephalitis (EEE)
    • La Crosse Encephalitis
    • St. Louis Encephalitis
  • Preventing Bites Expand Collapse
    • Topical Repellents
    • CO2 Baited Traps
    • Sonic Devices
    • Area Repellents
    • Home Remedies
    • Bats, birds, turtles, frogs, and fish
  • Mosquitoes of WI
  • Contact
  1. Home
  2. La Crosse Encephalitis

La Crosse Encephalitis

Mosquitoes that transmit La Crosse encephalitis virus can be found throughout Wisconsin. La Crosse encephalitis virus is rare in Wisconsin, and few cases have been reported in recent years.

Wisconsin DHS La Crosse Encephalitis Virus Information

Site footer content

University logo that links to main university website Part of the Universities of Wisconsin

Website feedback, questions or accessibility issues: paskewit@entomology.wisc.edu | Learn more about accessibility at UW–Madison.

This site was built using the UW Theme | Privacy Notice | © 2025 Board of Regents of the University of Wisconsin System.

Login Request Help Help Docs