Wisconsinites Urged to Prevent Mosquito Bites After Horse Tests Positive for Serious Virus

Wisconsin DHS urges mosquito bite prevention after EEE confirmed in Portage County horse

MADISON (WKOW) — A horse in Portage County has tested positive for Eastern equine encephalitis virus, marking the first confirmed case of EEE activity in Wisconsin this year.

Michigan confirms second EEE case of summer in Roscommon County horse

ROSCOMMON COUNTY, MI -- A Roscommon County horse has tested positive for eastern equine encephalitis (EEE), marking the second confirmed case of the mosquito-borne virus in Michigan this summer, state agriculture officials announced.

Wisconsinites urged to prevent mosquito bites after horse tests positive for serious virus

PORTAGE COUNTY, Wis. — Wisconsin health officials are urging the public to prevent mosquito bites after a horse tested positive for Eastern equine encephalitis in Portage County. The state Department of Health Services says EEE is rare but serious. Mosquitos acquire the virus through infected birds, and it only spreads to humans through the bite […]

Portage County Horse Confirmed with Eastern Equine Encephalitis

MADISON, Wis. — The Wisconsin Department of Agriculture, Trade and Consumer Protection (DATCP) confirms that a 4-year-old grade mare in Portage County has tested positive for Eastern Equine Encephalitis (EEE). It is the state’s first confirmed case of EEE in a horse this year. In 2025, DATCP documented one case of EEE in horses; access […]