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West Nile Virus
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West Nile Virus:  Montana - Mosquito
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Valley County Flathead County Phillips County Lincoln County Glacier County Hill County Blaine County (3) Daniels County Liberty County Toole County Sheridan County Roosevelt County Pondera County Chouteau County Sanders County Richland County Teton County McCone County Lake County Garfield County Lewis and Clark County Fergus County Dawson County Cascade County (7) Missoula County Powell County Petroleum County Mineral County Judith Basin County Wibaux County (1) Prairie County Meagher County Custer County Rosebud County Granite County Broadwater County Musselshell County Golden Valley County Wheatland County Fallon County Ravalli County Jefferson County Yellowstone County Treasure County Deer Lodge County Sweet Grass County Gallatin County Park County Silver Bow County Carter County Stillwater County Big Horn County (1) Beaverhead County Madison County Powder River County Carbon County Navigate to Idaho page Navigate to North Dakota page Navigate to South Dakota page Navigate to Wyoming page
Map Scalebar 250 km
Cumulative 2014 Data as of 3 am, Jun 11, 2015*
[Epi curve - Vertical bar graph showing number of incidents for each of 52 weeks]
Cumulative Mosquito Infections by Local Jurisdiction - Montana, 2014
Big Horn County1
Blaine County3
Cascade County7
Wibaux County1
Cumulative Total Entire State: 12
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* States and counties in yellow either did not perform surveillance or did not report any positive test results from their surveillance.