Though the spread of VSV remained vibrant but since Sept. 03, 2020 no new cases surfaced, as per situation report of USDA, Kansas and Missouri are the only remaining states with VSV-quarantined premises.
Kansas, where two previously VSV-suspect premises were released from quarantine in Johnson and Neosho counties, has one premises quarantined in Miami County.
Missouri has released one previously VSV-infected premises from quarantine in Dallas County and presently contains five quarantined premises: one in Dallas County, one in McDonald County, one in Ozark County, and two in Phelps County.
During the 2020 season, states with VSV outbreaks included Arizona, Arkansas, Kansas, Missouri, Nebraska, New Mexico, Oklahoma, and Texas. In all, 202 premises were confirmed positive, and 121 contained suspect cases.
Veterinarians quarantine and monitor premises with confirmed positive and suspect cases for at least 14 days from the onset of lesions in the last animal affected.