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2019 Annual Report

Source: Equine Disease Communication Center | 01/21/2020 10:55:00 AM The Equine Disease Communication Center posted 414 alerts reporting on 963 horses or in the case of vesicular stomatitis, the number of premises affected. Click here to view...

EDCC August 2023 Statistics

Outbreak summary for August 1-31, 2023 138 alerts posted reporting on 152 horses Disease State Confirmed Eastern Equine Encephalitis 21 cases Florida 3 Georgia 1 New York 4 North Carolina 5 Ontario 5 South Carolina 3 Equine Herpesvirus- Respiratory...

EDCC July 2023 Statistics

Outbreak summary for July 1-31, 2023 42 alerts posted reporting on 45 horses Disease Confirmed Eastern Equine Encephalitis 6 cases Florida 2 Georgia 4 Equine Herpesvirus- Neurologic 2 cases Florida 1 Nevada 1 Equine Infectious Anemia 7 cases...

EDCC November 2023 Statistics

Outbreak Summary for November 1-30, 2023 44 alerts posted, reporting on 41 horses. Disease State Confirmed Eastern Equine Encephalitis 3 Cases Florida 2 Quebec 1 Equine Herpesvirus- Neurologic 5 Cases Maine 2 Nova Scotia 1 Ontario 2 Equine...

EDCC September 2023 Statistics

Outbreak summary for September 1-30, 2023 113 alerts posted reporting on 162 horses Disease State Confirmed Eastern Equine Encephalitis 16 cases Georgia 1 Maine 1 Michigan 1 New Jersey 1 New York 2 North Carolina 1 Ontario 7 Quebec 1...

Infectious Diseases

Infectious disease in horses is caused by a specific MICROBIAL agent such as a bacteria, viruses, or parasites. When left untreated, infectious disease can spread rapidly in groups of horses. Use the table below to learn more about a specific...

Vesicular Stomatitis

What is Vesicular Stomatitis? Vesicular stomatitis is a viral disease of horses, donkeys, mules, cattle, swine and New World camelids that occurs in the Western Hemisphere. The disease is named for the characteristic vesicular lesions it causes in...

Vesicular Stomatitis Confirmed in Arizona

Vesicular Stomatitis Confirmed in Arizona Two cases of vesicular stomatitis New Jersey Virus (VSNJV) have been confirmed in Cochise County, AZ. The cases were confirmed positive by the National Veterinary Services Laboratories on Oct. 31 and were...


Disease Alerts

Alert ID: 4814

Source: Animal and Plant Health Inspection Service of the United States Department of Agriculture | 3/4/2026

Comments: Since the last situation report (2/26/2026), there has been one (1) new confirmed VSV positive equine premises identified in Arizona (Yavapai County). All confirmed cases in the 2025-26 outbreak have been vesicular stomatitis New Jersey...

Alert ID: 4805

Source: Animal and Plant Health Inspection Service of the United States Department | 2/26/2026

Comments: Since the last situation report (2/23/2026), there has been one (1) new confirmed VSV positive equine premises identified in Arizona (Yavapai County – new affected county). All confirmed cases in the 2025-26 outbreak have been vesicular...

Alert ID: 4796

Source: Animal and Plant Health Inspection Service of the United States Department of Agriculture | 2/19/2026

Comments: Since the last situation report (1/27/2026), there has been one (1) new confirmed VSV positive equine premises identified in Arizona (Maricopa County). All confirmed cases in the 2025-26 outbreak have been vesicular stomatitis New Jersey...

Alert ID: 4760

Source: Animal and Plant Health Inspection Service of the United States Department of Agriculture | 1/27/2026

Comments: Since the last situation report (1/9/2026), there has been one (1) new confirmed VSV positive equine premises identified in Arizona (Maricopa County). All confirmed cases in the 2025-26 outbreak have been vesicular stomatitis New Jersey...

Alert ID: 4741

Source: Animal and Plant Health Inspection Service of the United States Department of Agriculture | 1/9/2026

Comments: Since the last situation report (1/5/2026), there has been one (1) new confirmed VSV positive equine premises identified in Arizona (Pinal County – new affected county). All confirmed cases in the 2025-26 outbreak have been vesicular...

Alert ID: 4731

Source: United States Department of Agriculture Animal and Plant Health Inspection Service | 1/5/2026

Comments: Since the last situation report (12/30/2025), there has been one (1) new confirmed VSVpositive equine premises identified in Arizona (Maricopa County). All confirmed cases in the 2025 outbreak have been vesicular stomatitis New Jersey...

Alert ID: 4727

Source: United States Department of Agriculture Animal and Plant Health Inspection Service | 12/30/2025

Comments: Since the last situation report (12/9/2025), there has been one (1) new confirmed VSVpositive equine premises identified in Arizona (Santa Cruz County). All confirmed cases in the 2025 outbreak have been vesicular stomatitis New Jersey...

Alert ID: 4702

Source: United States Department of Agriculture Animal and Plant Health Inspection Service | 12/11/2025

Comments: Since the last situation report (11/26/2025), there has been one (1) new confirmed positive equine premises identified in Arizona (Maricopa County - new affected county). All confirmed cases in the 2025 outbreak have been vesicular...

Alert ID: 4673

Source: United States Department of Agriculture Animal and Plant Health Inspection Service | 11/26/2025

Comments: Since the last situation report (11/24/2025), there has been one (1) new confirmed positive equine premises identified in Arizona (Santa Cruz County - new affected county) . All confirmed cases in the 2025 outbreak have been vesicular...

Alert ID: 4660

Source: United States Department of Agriculture Animal and Plant Health Inspection Service | 11/24/2025

Number Confirmed: 1; Comments: Since the last situation report (10/31/2025), there has been one (1) new confirmed positive equine premises identified in Arizona (Gila County - new affected county). All confirmed cases in the 2025 outbreak have been...