The state has reported a final tally for one of the worst outbreaks of eastern equine encephalitis in 30 years — by veterinarians’ counts 133 horses were stricken, with all but four killed by the mosquito-borne disease, most in Southwest Michigan.
At 55 confirmed EEE cases, 2010 is tied with 1981 for having the second highest number on record, said Michigan Department of Agriculture State Veterinarian Steven Halstead. In 1980, there were 93 confirmed cases. How many unconfirmed cases occurred in those years is unclear, Halstead said.
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