The Wisconsin Department of Agriculture, Trade and Consumer Protection confirmed the 14th case of Eastern equine encephalitis (EEE) in an 8-year-old unvaccinated Quarter Horse gelding. He exhibited neurologic signs that included stumbling, grinding of teeth, and head pressing beginning on September 4. The horse was euthanized when it went down on September 5.
The Wisconsin Department of Agriculture, Trade and Consumer Protection confirmed the 15th case of West Nile virus (WNV) in a Standardbred mare. She presented with ataxia and facial twitching last month. The mare died despite treatment. The mare's 3-month-old foal was not affected.
For more information visit the Wisconsin Department of Agriculture, Trade and Consumer Protection.
The California Department of Food and Agriculture confirmed two new cases of equine West Nile virus. The first was in an unvaccinated 4-year-old Andalusian mare in Riverside County and the second was in unvaccinated 12-year-old Quarter Horse gelding in Tehama County. Both were displaying neurologic signs. The Quarter Horse gelding was euthanized due to the severity of the clinical signs. The Andalusian mare is recovering.
For 2017, a total of 13 cases of equine WNV have been confirmed in California.
For more information please visit the official California website at https://www.cdfa.ca.gov/ahfss/animal_health/WNV_Info.html.