Breaking News
National Equine Health Stakeholder Call-October 2026
Learn More

Disease Alerts

Updates on current disease outbreaks are listed here as they occur and will include the date listed, disease name, location and current status. Specific premises will not be named but the general location by town, county and state will be listed. When locations, events or horses are at risk they will be listed. Updates will be posted as they are received.



1 Week
2 Weeks
1 Month
2 Months
3 Months
3+ Months
No Results

The color range is based off of the selected End Date. If the End Date doesn't have a value it will use Today's Date.

Marion, Putnam, Nassau, and Alachua counties, FL
Alert ID: 915
May 28, 2018

Florida Department of Agriculture and Consumer Services

The Florida Department of Agriculture and Consumer Services has reported six confirmed cases of Eastern Equine Encephalitis. One horse in Marion County was confirmed positive on May 1st, 2018. The eight-year old unvaccinated Paso Fino became clinical on April 23rd and was humanely euthanized on April 24th due to a poor prognosis. One horse in Putnam County was also confirmed positive on May 1st. The three-year old Quarter Horse became clinical on April 21st and was humanely euthanized on April 24th due to a poor prognosis. The horse was reportedly vaccinated by the owner 5 months prior. One horse in Nassau County was confirmed positive on May 3rd. The four-year old unvaccinated Thoroughbred became clinical on April 30th and was humanely euthanized the same day due to a poor prognosis. One horse in Alachua County was confirmed positive on May 8th. The four-year old unvaccinated Minature Horse became clinical on May 5th and was humanely euthanized the same day due to a poor prognosis. One horse in Marion County was confirmed positive on May 16th. The one-year old unvaccinated Minature Horse became clinical on May 3rd and was humanely euthanized on May 5th due to a poor prognosis. One horse in Marion County was confirmed positive on May 21st. The ten-year old unvaccinated Thoroughbred became clinical on May 14th and was humanely euthanized the same day due to a poor prognosis.