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West Nile Virus
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West Nile Virus:  Colorado - Human
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Weld County (25) Routt County Jackson County Moffat County Logan County (4) Sedgwick County Larimer County (18) Phillips County Morgan County (3) Grand County Yuma County Washington County Boulder County (10) Rio Blanco County Garfield County Broomfield County (1) Adams County (5) Gilpin County Eagle County Summit County Jefferson County (3) Denver County (5) Clear Creek County Arapahoe County (4) Kit Carson County (1) Douglas County (2) Elbert County Lincoln County Park County Lake County Mesa County (7) Pitkin County Gunnison County Delta County (3) Teller County El Paso County (2) Chaffee County Cheyenne County (1) Fremont County (1) Montrose County (1) Kiowa County Pueblo County (7) Crowley County Saguache County (1) Ouray County Prowers County (6) Custer County Bent County (1) Otero County (2) San Miguel County Hinsdale County Huerfano County San Juan County Mineral County Dolores County Rio Grande County Las Animas County Alamosa County (1) Costilla County Baca County Montezuma County La Plata County Archuleta County Conejos County Navigate to Arizona page Navigate to Kansas page Navigate to Nebraska page Navigate to New Mexico page Navigate to Oklahoma page Navigate to Utah page Navigate to Wyoming page
Map Scalebar 150 km
Cumulative 2014 Data as of 3 am, Jan 14, 2015*
These data are provisional and may be revised or adjusted in the future.
[Epi curve - Vertical bar graph showing number of incidents for each of 52 weeks]
Cumulative Human Disease Cases by Local Jurisdiction - Colorado, 2015
Adams County5
Alamosa County1
Arapahoe County4
Bent County1
Boulder County10
Broomfield County1
Cheyenne County1
Delta County3
Denver County5
Douglas County2
El Paso County2
Fremont County1
Jefferson County3
Kit Carson County1
Larimer County18
Logan County4
Mesa County7
Montrose County1
Morgan County3
Otero County2
Prowers County6
Pueblo County7
Saguache County1
Weld County25
Cumulative Total Entire State: 114
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Map Legend
* Data demonstrates local jurisdiction of residence and not necessarily the locale where the infection was acquired.
** States and counties in yellow are those in which virus activity has been reported historically, but no positive test results have been reported or no surveillance has occurred this year.