VSV Continues Equine Spread in Seven States

Colorado, Nebraska, New Mexico, Oklahoma, Texas, Utah and Wyoming all have new cases of vesicular stomatitis virus (VSV).
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VSV quarantined counties 8-29-19

Since the last vesicular stomatitis virus (VSV) situation report  from the USDA APHIS on August 23, 2019, there have been 54 new VSV-affected premises identified (32 confirmed positive, 22 suspect). Following is a breakdown of that information by state.

Colorado (14 new confirmed positive premises, 15 new suspect premises)

  • Alamosa County – 1 new confirmed positive, 1 new suspect premises
  • Arapahoe County – 1 new confirmed positive premises
  • Conejos County – 1 new confirmed positive premises
  • Delta County – 7 new suspect premises
  • nfected County) –1 confirmed positive premisesDouglas County – 2 new confirmed positive premises
  • El Paso County (new infected county) – 1 confirmed positive premises
  • Garfield County (new infected county) – 1 confirmed positive premises
  • Jefferson County – 1 new confirmed positive premises
  • Larimer County – 1 new confirmed positive, 4 new suspect premises
  • Mesa County – 2 new suspect premises
  • Montrose County – 2 new confirmed positive, 1 new suspect premises1 confirmed positive premises
  • Rio Blanco County (new infected county) – 1 confirmed positive premises
  • San Miguel County (new infected county) – 1 confirmed positive premises
  • Summit County (new infected county) – 1 confirmed positive premises

Since the last situation report, 60 previously VSV-infected or suspect premises have been released from quarantine.

Nebraska (3 new confirmed positive premises)

  • Scotts Bluff County 3 new confirmed positive premises

Since the last situation report, 1 previously VSV-infected premises was released from quarantine in Scotts Bluff County. 

New Mexico (2 new suspect premises)

  • Rio Arriba County 1 new suspect premises
  • Valencia County – 1 new suspect premises

Since the last situation report, 10 previously VSV-infected or suspect premises were released from quarantine.

Texas (5 new confirmed positive premises, 2 new suspect premises)

  • Bastrop County 1 new confirmed positive premises 
  • Bell County – 1 new suspect premises

  • Dallas County – 1 new confirmed positive premises

  • Ellis County – 3 new confirmed positive, 1 new suspect premises

Since the last situation report, 8 previously VSV-infected or suspect premises have been released from quarantine. 

Utah (7 new confirmed positive premises, 3 new suspect premises)

  • Duchesne County (new infected county) – 1 confirmed positive premises
  • Grand County (new infected county) – 2 confirmed positive premises
  • San Juan County (New Infected County) – 1 confirmed positive premises
  • Uintah County – 3 new confirmed positive, 3 new suspect premises

Since the last situation report, 3 previously VSV-infected or suspect premises have been released from quarantine.

Wyoming (3 new confirmed positive premises)

  • Carbon County (new infected county) – 1 confirmed positive premises
  • Goshen County (New Infected County) – 1 confirmed positive premises
  • Platte County – 1 new confirmed positive premises

Since the last situation report, 1 suspect premises was released from quarantine in Platte County. 

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, 905 VSV-affected premises have been identified (385 confirmed positive, 520 suspect). Nine hundred two (902) of these premises have only equine species clinically affected and 3 premises have affected cattle (Boulder and Delta County, Colorado and Gonzales County, Texas). 

Colorado has identified 609 affected premises (233 confirmed positive, 376 suspect) in 31 counties (Adams, Alamosa, Arapahoe, Archuleta, Boulder, Broomfield, Chaffee, Conejos, Delta, Douglas, El Paso, Fremont, Garfield, Gilpin, Grand, Gunnison, Jefferson, La Plata, Larimer, Mesa, Mineral, Montezuma, Montrose, Morgan, Ouray, Park, Pueblo, Rio Blanco, San Miguel, Summit, and Weld Counties). 

Nebraska has identified 7 affected premises in 3 counties (Dawes, Lincoln, 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 168 affected premises (74 confirmed positive, 94 suspect) located in 36 counties (Bastrop, Bell, Bosque, Brown, Caldwell, Coleman, Collin, Coryell, Dallas, Eastland, Ellis, Erath, Falls, Gonzales, Guadalupe, Haskell, Hays, 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 14 affected premises in 5 counties (Duchesne, Emery, Grand, San Juan, and Uintah Counties). 

Wyoming has identified 30 affected premises (13 confirmed positive, 17 suspect) in 8 counties (Albany, Carbon, Converse, Goshen, Hot Springs, Laramie, Platte, and Sweetwater Counties). 

There have been a total of 637 previously VSV-infected or suspect premises that have completed the quarantine period and been released. 

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