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.

Eastern Equine Encephalitis
Kent, Ionia, Montcalm, Jackson, Livingston and Calhoun County, MI
Alert ID: 1818
September 21, 2020

Michigan Department of Agriculture and Rural Development

Kent County
Number Confirmed: 1;
Age: 16; Gender: Mare; Breed: Arabian; Onset of Clinical Signs: 8/27/2020;
Clinical Signs: Ataxia, Drooping Lip, Progressing to Being Down with an Inability to Get Up, Facial Tremors; Confirmation Date: 9/16/2020; Horse Status: Euthanized; Vaccination Status: Unvaccinated;

Kent County
Number Confirmed: 1;
Age: 8; Gender: Mare; Breed: Belgian; Onset of Clinical Signs: 9/2/2020;
Clinical Signs: Ataxia, Head Tilt, Progressing to Being Down with an Inability to Get Up; Confirmation Date: 9/16/2020; Horse Status: Euthanized; Vaccination Status: Unvaccinated;

 

Ionia County 
Number Confirmed: 1;
Age: 3; Gender: Mare; Breed: Standardbred/Quarter Horse Cross; Onset of Clinical Signs: 9/3/2020;
Clinical Signs: Down with inability to get up, Fever; Confirmation Date: 9/16/2020; Horse Status: Euthanized; Vaccination Status: Undervaccinated;

 

Montcalm County
Number Confirmed: 1;
Age: 16; Gender: Mare; Breed: Paint; Onset of Clinical Signs: 9/4/2020;
Clinical Signs: Down with inability to get up, Fever; Confirmation Date: 9/16/2020; Horse Status: Euthanized; Vaccination Status: Unvaccinated;

 

Jackson County
Number Confirmed: 1;
Age: 6; Gender: Mare; Breed: Quarter Horse (QH); Onset of Clinical Signs: 9/3/2020;
Clinical Signs: Ataxia, Fever, Muscle Fasciculations; Confirmation Date: 9/16/2020; Horse Status: Euthanized; Vaccination Status: Status Unknown;

 

Livingston County
Number Confirmed: 2;
Age: 5; Gender: Mare; Breed: Appaloosa; Onset of Clinical Signs: 8/31/2020;
Clinical Signs: Ataxia, Muscle Fasciculations; Confirmation Date: 9/16/2020; Horse Status: Euthanized; Vaccination Status: Unvaccinated;
Notes: The other horse was found down with an inability to rise.;

 

Calhoun County
Number Confirmed: 1;
Age: 18; Gender: Mare; Breed: Grade; Onset of Clinical Signs: 9/8/2020;
Clinical Signs: Ataxia, Depression; Confirmation Date: 9/18/2020; Horse Status: Euthanized; Vaccination Status: Status Unknown;
Notes: This horse bring the total number of equids confirmed to date by MDARD for 2020 to 29.;
Search for County