Outbreaks | Equine Disease Communication Center

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.

Disease

Outbreak States

Start Date

End Date

West Nile Virus

District of Thunder Bay, ON

Outbreak Identifier: 6589

Alert ID: 4058

October 15, 2024

Confirmed Case(s) - No Quarantine

Source: OMAFA

Number Confirmed: 1;
Number Exposed: 1;

Horse 1:
Gender: Gelding; Clinical Signs: This gelding was noted to be "not quite right" by the owner a few days before he was examined by the veterinarian on September 23rd who diagnosed a low grade fever, muscle fasciculations of the triceps muscle and sore front feet. Upon re-examination a few days later, he was noted to have twitching of the lower lip and ataxia. He has since recovered.; Confirmation Date: 10/10/2024; Horse Status: Recovered; Vaccination Status: Unvaccinated;

Comments: This is the 9th equine case of WNV in Ontario this year. To see past and present WNV cases in Ontario go to: https://www.oahn.ca/resources/ontario-equine-disease-alerts/ and enter the disease surveillance portal. To see past and present WNV cases in Canada, go to: https://cahss.ca/cahss-networks/equine and enter the equine dashboard.;

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