Since the last USDA APHIS vesicular stomatitis virus (VSV) Situation report on September 19, there have been 49 new VSV-affected premises (6 confirmed positive, 43 suspect) identified. Colorado, Nebraska and Wyoming have new premises place in quarantine, and Utah still has one premises that has not yet been released from quarantine.
Colorado (2 new confirmed positive premises, 2 new suspect premises)
- Jefferson County – 1 new suspect premises
- Larimer County – 1 new confirmed positive (cattle) premises
- Park County – 1 new confirmed positive premises
- San Miguel County – 1 new suspect premises
Since the last situation report, 15 previously VSV-infected or suspect premiseshave been released from quarantine.
Nebraska (1 new confirmed positive premises, 2 new suspect premises)
- Morrill County – 1 new suspect premises
- Scotts Bluff County – 1 new confirmed positive, 1 new suspect premises
Since the last situation report, 3 previously VSV-infected premises were released from quarantine in Scotts Bluff County.
Wyoming (3 new confirmed positive premises, 39 new suspect premises)
- Albany County – 1 new confirmed positive premises
- Big Horn County – 1 new suspect premises
- Carbon County – 1 new suspect premises
- Fremont County – 2 new confirmed positive premises
- Goshen County – 1 new suspect premises
- Hot Springs County – 4 new suspect premises
- Park County – 32 new suspect premises
Since the last situation report, 7 previously VSV-infected or suspect premiseshave been released from quarantine.
Since the last situation report, 3 previously VSV-infected or suspect premises have been released from quarantine.
Summary of the Outbreak
The 2019 VSV outbreak began on June 21, 2019, when the National Veterinary Services Laboratories (NVSL) in Ames, Iowa, confirmed the first VSV-positive premises in Kinney County, Texas. New Mexico, Colorado, Wyoming, Oklahoma, Nebraska and Utah subsequently broke with cases which were confirmed by NVSL on June 26, 2019 (Sandoval County, New Mexico), July 3, 2019 (Weld County, Colorado), July 24, 2019 (Platte County, Wyoming), July 29, 2019 (Tillman County, Oklahoma), August 9, 2019 (Lincoln County, Nebraska), and August 19, 2019 (Emery and Uintah Counties, Utah).
Since the start of the outbreak, 1,078 VSV-affected premises have been identified (433 confirmed positive, 645 suspect). One thousand sixty-six (1,066) of these premises have only equine species clinically affected, 11 premises have only affected cattle (Boulder, Delta,and Larimer County, Colorado; Gonzales County, Texas; Uintah County, Utah; and Hot Springs, Park, and Platte County, Wyoming), and 1 premises has both cattle and horses clinically affected (Park County, Wyoming).
Colorado has identified 660 affected premises (252 confirmed positive, 408 suspect) in 35 counties (Adams, Alamosa, Arapahoe, Archuleta, Boulder, Broomfield, Chaffee, Conejos, Delta, Dolores, Douglas, Eagle, El Paso, Fremont, Garfield, Gilpin, Grand, Gunnison, Jefferson, La Plata, Larimer, Las Animas, Mesa, Mineral, Montezuma, Montrose, Morgan, Ouray, Park, Pueblo, Rio Blanco, San Miguel, Summit, Teller, and Weld Counties).
Nebraska has identified 22 affected premises (14 confirmed positive, 8 suspect) in 4 counties (Dawes, Lincoln, Morrill, and Scotts Bluff Counties).
New Mexico has identified 76 affected premises (47 confirmed positive, 29 suspect) in 12 counties (Cibola, Los Alamos, Mora, Rio Arriba, Sandoval, San Juan, San Miguel, Santa Fe, Sierra, Socorro, Taos, and Valencia Counties).
Oklahoma has identified 1 affected premises in 1 county (Tillman County).
Texas has identified 171 affected premises (75 confirmed positive, 96 suspect) located in 37 counties (Bastrop, Bell, Bosque, Brown, Caldwell, Coleman, Collin, Coryell, Dallas, Eastland, Ellis, Erath, Falls, Gonzales, Guadalupe, Haskell, Hays, Hill, Hood, Johnson, Kerr, Kinney, Lampasas, Mason, McLennan, Mills, Palo Pinto, Parker, San Saba, Shackelford, Somervell, Taylor, Tom Green, Travis, Val Verde, Wichita, and Williamson Counties).
Utah has identified 21 affected premises (11 confirmed positive, 10 suspect) in 5 counties (Duchesne, Emery, Grand, San Juan, and Uintah Counties).
Wyoming has identified 127 affected premises (33 confirmed positive, 94 suspect) in 11 counties (Albany, Big Horn, Carbon, Converse, Fremont, Goshen, Hot Springs, Laramie, Park, Platte and Sweetwater Counties).
There have been a total of 927 previously VSV-infected or suspect premises in all affected states that have completed the quarantine period and been released. All quarantined premises have been released in Oklahoma (since August 7, 2019), New Mexico (since September 5, 2019), and Texas (since September 19, 2019).