Source:
USDA-APHIS-Veterinary Services
Comments: Since the last VSV situation report (6/10/2026), four (4) new VSV-affected equine premises have been confirmed positive in Valencia County, New Mexico (New Affected County). All confirmed cases in the 2025-26 outbreak have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows: Arizona • The last VSV-quarantined premises in Arizona was released on 4/20/2026 and no new cases have been identified to date. Colorado • No new VSV-affected premises have been identified. New Mexico • Valencia County (New Affected County) – 4 new confirmed VSV-positive equine premises have been identified. Since the start of the outbreak, 23 VSV-affected premises have been identified (22 confirmed positive, 1 presumptive positive) in 3 states, Arizona, Colorado, and New Mexico. All 23 premises have had only equine species clinically affected with 15 premises located in 6 Arizona counties (Cochise, Gila, Maricopa, Pinal, Santa Cruz, and Yavapai Counties), 1 premises located in 1 Colorado county (Montezuma County), and 7 premises located in 3 New Mexico counties (Sandoval, Santa Fe, and Valencia Counties). There were other susceptible species also present on VSV premises in Arizona (cattle on 5 premises, goats on 2 premises) in Cochise, Gila, Maricopa, Santa Cruz, and Yavapai Counties, and in New Mexico (goats on 2 premises) in Sandoval and Valencia Counties, but they were not clinically affected.;
For more information, go to https://www.aphis.usda.gov/sites/default/files/vsv-sitrep-6-12-26.pdf