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WNV in Montana Horses: Additional Cases Confirmed

August 24, 2018
Posted by Erica Larson

Animal health officials have confirmed WNV in Montana horses in Blaine, Cascade, Lewis and Clark, Powder River, Wheatland, and Yellowstone counties.

Topics: Diseases and Conditions, Neurologic Disease, West Nile Virus (WNV)

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West Nile virus is transmitted to horses via bites from infected mosquitoes. | Photo: iStock

The Equine Disease Communication Center (EDCC) reported Aug. 23 that the Montana Department of Livestock has confirmed additional cases of West Nile virus (WNV) in horses in that state. They’ve confirmed WNV in Montana horses residing in Blaine, Cascade, Lewis and Clark, Powder River, Wheatland, and Yellowstone counties.

The EDCC said cases include:

On Aug. 7, one case was confirmed in Cascade County;
On Aug. 14, one case each was confirmed in Lake and Cascade Counties;
On Aug. 15, one case was confirmed in Cascade County;
On Aug. 16, two cases were confirmed in Cascade County and one was confirmed in Powder River County;
On Aug. 17, one case each was confirmed in Blaine, Wheatland, and Cascade Counties;
On Aug. 20, one case was confirmed in Lewis and Clark County; and
On Aug. 21st, five cases were confirmed—three in Cascade County, one in Lewis and Clark County, and one in Yellowstone County.

Previously, the Department of Livestock confirmed two cases of WNV in Montana horses: one in Lake County and one in Musselshell County. The newly reported cases bring the state’s total to 18 cases of WNV in Montana horses so far this year

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Written by:

Erica Larson

Erica Larson, former news editor for The Horse, holds a degree in journalism with an external specialty in equine science from Michigan State University in East Lansing. A Massachusetts native, she grew up in the saddle and has dabbled in a variety of disciplines including foxhunting, saddle seat, and mounted games. Currently, Erica competes in eventing with her OTTB, Dorado.