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August 10th, 2023
The Northwest Horse Source
The Northwest Horse Source is your all breed, all discipline resource covering the care, training, keeping and enjoyment of horses. Check out the latest Outbreak Alerts!
Potomac Horse Fever
This alert is an equine related disease outbreak or other emergency, disaster, or critical announcement in our distribution area. Alerts regularly include Washington, Oregon, Idaho, California, and sometimes Utah, Montana, Nevada, Wyoming and Arizona.

Outbreak Alerts: August 2-9, 2023 - Strangles - MULTIPLE COUNTIES, WA

Source: State Veterinarian's Office
Confirmed Case(s) - Voluntary Quarantine/No Quarantine

August 02, 2023 - Clallam County, WA
Number Confirmed: 2
Number Exposed: Unknown
Facility Type: Private Facility
Comments: Horse was in stall next to positive and came up weak positive. Owner has been doing biosecurity and self quarantine. Under vet care.

August 03, 2023 - Pierce County, WA
Number Confirmed: 1
Number Suspected: Unknown
Number Exposed: Unknown
Facility Type: Private Facility
Comments: 4 month old equine that had colic 10 days prior, and then presented with nasal discharge. Guttoral pouch lavage positive for Streptococcus equi equi.

August 03, 2023 - Grant County, WA
Number Confirmed: 1
Number Exposed: 1
Facility Type: Private Facility
Comments: Confirmed case was housed with a mini donkey that has no symptoms. Owner practicing good biosecurity and patient is under veterinary care.

August 05, 2023 - Spokane County, WA
Number Confirmed: 3
Number Suspected: 2
Facility Type: Private Facility
Comments: Owner has kept these horses on pasture separate from anything else on farm and is not moving animals. The farm is under voluntary quarantine and veterinary care, and more horses will be tested next week.

August 09, 2023 - Snohomish County, WA
Number Confirmed: 1
Number Suspected: Unknown
Number Exposed: Unknown
Facility Type: Private Facility
Comments: Horse purchased recently. Under vet care and treatment.

For more information, go to https://www.equinediseasecc.org/strangles

See past published Outbreak Alerts: http://nwhorsesource.com/category/news/alerts

Outbreak Alerts: August 8, 2023 West Nile Virus in Fresno County, CA

Confirmed Case(s) - No Quarantine

Source: California Department of Food and Agriculture

Number Confirmed: 1
Number Exposed: Unknown
Facility Type: Private Facility
Age: 7
Gender: Gelding
Breed: Quarter Horse (QH)
Onset of Clinical Signs: 7/30/2023
Clinical Signs: Dull, lethargic, excessive blinking, ear flickering, mild body tremors, slow headshaking.
Confirmation Date: 8/7/2023
Horse Status: Affected And Alive
Vaccination Status: Status Unknown
Comments: This is the 3rd case of equine WNV confirmed in California in 2023

For more information, go to: https://www.cdfa.ca.gov/ahfss/Animal_Health/WNV_Info.html

See past published Outbreak Alerts: http://nwhorsesource.com/category/news/alerts

Outbreak Alerts: August 3, 2023 West Nile Virus in Kings County, CA

Confirmed Case(s) - No Quarantine

Source: California Department of Food and Agriculture

Number Confirmed: 1
Facility Type: Private Facility
Age: 4
Gender: Mare
Breed: Quarter Horse (QH)
Onset of Clinical Signs: 7/22/2023
Clinical Signs: Ataxia, muscle fasciculations, hyperesthesia.
Confirmation Date: 7/31/2023
Horse Status: Affected And Alive
Comments: This is the second case of equine WNV confirmed in California in 2023.

For more information, go to: https://www.cdfa.ca.gov/ahfss/Animal_Health/WNV_Info.html

See past published Outbreak Alerts: http://nwhorsesource.com/category/news/alerts

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