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Home » Press Releases » Dept. of Agriculture, Trade and Consumer Protection: Portage County horse confirmed with Eastern Equine Encephalitis
MADISON — 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 an online map of the 2025 arbovirus cases. EEE and West Ni...

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