Vesicular Stomatitis Virus Report of August 13, 2020

The USDA APHIS has identified 17 new vesicular stomatitis virus-affected premises since the last report on August 6.
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VSV current premises 8-13-2020

Since the last situation report on August 6, 2020, there have been 17 new vesicular stomatitis virus (VSV)-affected premises identified (7 confirmed positive, 10 suspect) in three states. 

Kansas 

Kansas has three new confirmed positive premises and two new suspect premises.

  • Harvey County (new infected county) – 1 confirmed positive equine premises 
  • Johnson County (new infected county) – 1 confirmed positive equine premises
  • Labette County – 1 new suspect equine premises 
  • Montgomery County – 1 new suspect equine premises 
  • Sedgwick County – 1 new confirmed positive equine premises 
  • Since the last situation report, 11 previously VSV-infected or suspect premises have been released from quarantine in Cowley, Labette, Miami, Neosho and Riley Counties. 

Missouri 

Missouri has three new confirmed positive premises and six new suspect premises. 

  • Camden County (new infected county) – 1 confirmed positive equine premises
  • Douglas County (new infected county) – 1 confirmed positive equine premises 
  • Jasper County – 1 new suspect equine premises 
  • Lawrence County – 1 new suspect equine premises 
  • McDonald County – 1 new confirmed positive, 1 new suspect equine premises 
  • Newton County – 3 new suspect equine premises 
  • Since the last situation report, 14 previously VSV-infected or suspect premises have been released from quarantine in Cedar, Jasper, Newton, Ozark and St. Clair Counties. 

Oklahoma 

Oklahoma has one new confirmed positive premises and two new suspect premises.

  • Cherokee County – 1 new confirmed positive equine premises 
  • Craig County – 1 new suspect equine premises 
  • Rogers County – 1 new suspect equine premises 
  • Since the last situation report, 3 previously VSV-infected premises or suspect premises have been released from quarantine in Adair and Rogers Counties. 
All counties VSV 8-13-2020

Summary of the Outbreak 

The 2020 VSV outbreak began on April 13, 2020, when the National Veterinary Services Laboratories (NVSL) in Ames, Iowa, confirmed the first VSV-positive premises in Dona Ana County, New Mexico. 

Arizona, Texas, Kansas, Nebraska, Oklahoma, Missouri and Arkansas subsequently broke with VSV cases that were confirmed by NVSL on April 22, 2020 (Cochise County, Arizona), April 23, 2020 (Starr County, Texas), June 16, 2020 (Butler County, Kansas), June 24, 2020 (Buffalo County, Nebraska), July 7, 2020 (Washington County, Oklahoma), July 13, 2020 (Newton County, Missouri), and July 27, 2020 (Benton County, Arkansas). 

Since the start of the outbreak, 318 VSV-affected premises have been identified (198 confirmed positive, 120 suspect). Three hundred six (306) of these premises had only equine species clinically affected, 11 premises had clinically affected cattle (McMullen, Starr, and Zapata Counties, Texas; Butler, Cowley, Marion, and Montgomery Counties, Kansas; Cedar County, Missouri), and 1 premises had both equine species and cattle clinically affected (Cedar County, Missouri).

Arizona has identified 19 affected premises (18 confirmed positive, 1 suspect) in 7 counties (Apache, Cochise, Gila, Maricopa, Pima, Pinal and Santa Cruz Counties). 

Arkansas has identified 4 affected premises (4 confirmed positive) in 1 county (Benton County). 

Kansas has identified 196 affected premises (100 confirmed positive, 96 suspect) in 26 counties (Allen, Bourbon, Butler, Chase, Cherokee, Coffey, Cowley, Crawford, Elk, Franklin, Greenwood, Harvey, Johnson, Labette, Linn, Lyon, Marion, Miami, Montgomery, Morris, Neosho, Riley, Sedgwick, Sumner, Wilson and Woodson Counties). 

Missouri has identified 46 affected premises (30 confirmed positive, 16 suspect) in 9 counties (Camden, Cedar, Douglas, Jasper, Lawrence, McDonald, Newton, Ozark and St. Clair Counties). 

Nebraska has identified 5 affected premises (5 confirmed positive) in 3 counties (Buffalo, Gage, and Johnson Counties). 

New Mexico has identified 16 affected premises (13 confirmed positive, 3 suspect) in 6 counties (Bernalillo, De Baca, Dona Ana, Eddy, Grant and Sierra Counties). 

Oklahoma has identified 22 affected premises (18 confirmed positive, 4 suspect) in 9 counties (Adair, Cherokee, Craig, Nowata, Osage, Ottawa, Rogers, Tulsa and Washington Counties). 

Texas has identified 10 affected premises (10 confirmed positive, 0 suspect) in 6 counties (El Paso, Hudspeth, Kerr, McMullen, Starr, and Zapata Counties). 

There have been a total of 276 previously VSV-infected or suspect premises that have completed the quarantine period and been released. To date, all VSV-quarantined premises have been released in New Mexico (since June 4, 2020), Texas (since June 8, 2020), Arizona (since July 8, 2020), and Nebraska (since July 30, 2020). 

Forty-two (42) premises remain under VSV quarantine in Arkansas, Kansas, Missouri and Oklahoma. 

To see the complete report visit this USDA APHIS page.

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