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.



Vesicular Stomatitis
San Bernardino
Outbreak Identifier: 5632
Alert ID: 3046
June 02, 2023
Confirmed Case(s) - Official Quarantine

USDA

VSV Situation Report 6/2/2023: Since the last situation report (5/26/2023), there have been 18 new VSV-affected premises identified (4 confirmed positive, 14 suspect) in three counties (Riverside, San Bernardino, and San Diego Counties) in California.  To date, all confirmed cases have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:  

California

  • Riverside County – 6 new suspect equine premises
  • San Bernardino County (New Infected County) – 1 confirmed positive equine premises
  • San Diego County – 3 new confirmed positive and 8 new suspect equine premises; additionally, 1 equine premises previously reported as suspect has been reclassified as confirmed VSV-positive
  • Since the last situation report (5/26/2023), the following previously VSV-confirmed positive premises have been released from quarantine: 1 equine premises in San Diego County.  

Since the start of the outbreak, 44 VSV-affected premises have been identified (14 confirmed positive, 30 suspect) in 1 state, California.  Forty-three (43) of these premises have had only equine species clinically affected in 3 counties (Riverside, San Bernardino, and San Diego Counties) and one (1) premises has had clinically affected cattle (San Diego County). 

Additional information and maps of the affected area are contained in the situation report which is posted publicly on the APHIS website and accessible at the following link:  https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/equine/vsv/vesicular-stomatitis

 
Vesicular Stomatitis
Riverside, CA
Outbreak Identifier: 5632
Alert ID: 3046
June 02, 2023
Confirmed Case(s) - Official Quarantine

USDA

VSV Situation Report 6/2/2023: Since the last situation report (5/26/2023), there have been 18 new VSV-affected premises identified (4 confirmed positive, 14 suspect) in three counties (Riverside, San Bernardino, and San Diego Counties) in California.  To date, all confirmed cases have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:  

California

  • Riverside County – 6 new suspect equine premises
  • San Bernardino County (New Infected County) – 1 confirmed positive equine premises
  • San Diego County – 3 new confirmed positive and 8 new suspect equine premises; additionally, 1 equine premises previously reported as suspect has been reclassified as confirmed VSV-positive
  • Since the last situation report (5/26/2023), the following previously VSV-confirmed positive premises have been released from quarantine: 1 equine premises in San Diego County.  

Since the start of the outbreak, 44 VSV-affected premises have been identified (14 confirmed positive, 30 suspect) in 1 state, California.  Forty-three (43) of these premises have had only equine species clinically affected in 3 counties (Riverside, San Bernardino, and San Diego Counties) and one (1) premises has had clinically affected cattle (San Diego County). 

Additional information and maps of the affected area are contained in the situation report which is posted publicly on the APHIS website and accessible at the following link:  https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/equine/vsv/vesicular-stomatitis

 
Vesicular Stomatitis
San Diego, CA
Outbreak Identifier: 5632
Alert ID: 3046
June 02, 2023
Confirmed Case(s) - Official Quarantine

USDA

VSV Situation Report 6/2/2023: Since the last situation report (5/26/2023), there have been 18 new VSV-affected premises identified (4 confirmed positive, 14 suspect) in three counties (Riverside, San Bernardino, and San Diego Counties) in California.  To date, all confirmed cases have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:  

California

  • Riverside County – 6 new suspect equine premises
  • San Bernardino County (New Infected County) – 1 confirmed positive equine premises
  • San Diego County – 3 new confirmed positive and 8 new suspect equine premises; additionally, 1 equine premises previously reported as suspect has been reclassified as confirmed VSV-positive
  • Since the last situation report (5/26/2023), the following previously VSV-confirmed positive premises have been released from quarantine: 1 equine premises in San Diego County.  

Since the start of the outbreak, 44 VSV-affected premises have been identified (14 confirmed positive, 30 suspect) in 1 state, California.  Forty-three (43) of these premises have had only equine species clinically affected in 3 counties (Riverside, San Bernardino, and San Diego Counties) and one (1) premises has had clinically affected cattle (San Diego County). 

Additional information and maps of the affected area are contained in the situation report which is posted publicly on the APHIS website and accessible at the following link:  https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/equine/vsv/vesicular-stomatitis