West Nile Virus

Confirmed Case(s) – No Quarantine Source: California Department of Food and Agriculture Number Confirmed: 1Number Exposed: UnknownAge: 4Gender: MareBreed: Quarter Horse (QH)Onset of Clinical Signs: 8/7/2023Clinical Signs: Acutely recumbent, could not rise without assistance.Confirmation Date: 8/17/2023Horse Status: EuthanizedVaccination Status: UndervaccinatedComments: This is the 9th case confirmed of equine WNV in California in 2023. For more information, go to: https://www.cdfa.ca.gov/ahfss/Animal_Health/WNV_Info.html See past published …

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Confirmed Case(s) – No Quarantine Source: California Department of Food and Agriculture Number Confirmed: 1Number Exposed: UnknownAge: 2Gender: GeldingBreed: HaflingerOnset of Clinical Signs: 8/3/2023Clinical Signs: Hyperesthesia, facial and muzzle twitching.Confirmation Date: 8/17/2023Horse Status: RecoveringVaccination Status: VaccinatedComments: This is the 8th case confirmed of equine WNV 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: https://nwhorsesource.com/category/news/alerts Equine Disease …

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Confirmed Case(s) – No Quarantine Source: California Department of Food and Agriculture Number Confirmed: 1Number Exposed: UnknownAge: 5Gender: MareBreed: LusitanoOnset of Clinical Signs: 7/29/2023Clinical Signs: Recumbency, weak pelvic limbs, muscle twitching, CNS signs, ataxic all four limbs, weakness in thoracic limbs, recumbent and unable to rise without assistance.Confirmation Date: 8/17/2023Horse Status: RecoveringVaccination Status: VaccinatedComments: This is the 7th case confirmed of …

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Confirmed Case(s) – No Quarantine Source: California Department of Food and Agriculture Number Confirmed: 1Number Exposed: UnknownAge: 2Gender: ColtBreed: Quarter Horse (QH)Onset of Clinical Signs: 8/7/2023Clinical Signs: Ataxic all four limbs, weakness in thoracic limbs, recumbent and unable to rise without assistance.Confirmation Date: 8/15/2023Horse Status: Affected And AliveVaccination Status: UnvaccinatedComments: This is the 6th case confirmed of equine WNV in California …

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Confirmed Case(s) – No Quarantine Source: California Department of Food and Agriculture Number Confirmed: 1Number Exposed: UnknownAge: 3Gender: MareBreed: Quarter Horse (QH)Onset of Clinical Signs: 8/7/2023Clinical Signs: Acute onset of neurological behavior, pelvic limb weakness, falling when backed, neurologic on tail pull.Confirmation Date: 8/15/2023Horse Status: EuthanizedVaccination Status: UndervaccinatedComments: This is the 5th case confirmed of equine WNV in California in 2023. …

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Confirmed Case(s) – No Quarantine Source: California Department of Food and Agriculture Number Confirmed: 1Number Exposed: UnknownNumber Euthanized: 1Age: 10Gender: GeldingBreed: Quarter Horse (QH)Onset of Clinical Signs: 8/6/2023Clinical Signs: Ataxia all four limbs, progressively recumbent and unable to rise.Confirmation Date: 8/15/2023Horse Status: EuthanizedVaccination Status: UnvaccinatedComments: This is the 4th case confirmed of equine WNV in California in 2023. For more information, go …

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Confirmed Case(s) – No Quarantine Source: California Department of Food and Agriculture Number Confirmed: 1Number Exposed: UnknownFacility Type: Private Facility Age: 7Gender: GeldingBreed: Quarter Horse (QH)Onset of Clinical Signs: 7/30/2023Clinical Signs: Dull, lethargic, excessive blinking, ear flickering, mild body tremors, slow headshaking.Confirmation Date: 8/7/2023Horse Status: Affected And AliveVaccination Status: Status UnknownComments: This is the 3rd case of equine WNV confirmed in California in …

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Confirmed Case(s) – No Quarantine Source: California Department of Food and Agriculture Number Confirmed: 1Facility Type: Private FacilityAge: 4Gender: MareBreed: Quarter Horse (QH)Onset of Clinical Signs: 7/22/2023Clinical Signs: Ataxia, muscle fasciculations, hyperesthesia.Confirmation Date: 7/31/2023Horse 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 …

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Confirmed Case(s) – No Quarantine Source: California Department of Food and Agriculture Number Confirmed: 1Age: 6Gender: MareBreed: WarlanderOnset of Clinical Signs: 6/30/2023Clinical Signs: 104 fever, ataxia in all four limbs, muscle fasciculations in face, agitatedConfirmation Date: 7/10/2023Horse Status: Affected And AliveVaccination Status: Vaccinated For more information, go to https://www.equinediseasecc.org/west-nile-virus See past published Outbreak Alerts: https://nwhorsesource.com/category/news/alerts Equine Disease Communication CenterUpdates on current …

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Confirmed Case(s) – No Quarantine Source: California Department of Food and Agriculture Number Confirmed: 1 Age: 15 Gender: Gelding Breed: Paint Onset of Clinical Signs: 10/2/2022 Clinical Signs: Colic and fever 10/2; ataxia and weakness in all 4 legs starting 10/3 Confirmation Date: 10/26/2022 Horse Status: Euthanized Vaccination Status: Status Unknown Comments: On October 26, 2022, a 15-year-old Paint gelding …

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