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West Nile Virus
Mosquito
2009
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West Nile Virus:  Colorado - Mosquito
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Weld County (12) Routt County Jackson County Moffat County Logan County (3) Sedgwick County Larimer County (43) Phillips County Morgan County Grand County Yuma County Washington County Boulder County (4) Rio Blanco County Garfield County Broomfield County Adams County (1) Gilpin County Eagle County Summit County Jefferson County (1) Denver County Clear Creek County Arapahoe County (1) Kit Carson County Douglas County Elbert County Lincoln County Park County Lake County Mesa County (2) Pitkin County Gunnison County Delta County (6) Teller County El Paso County Chaffee County Cheyenne County Fremont County Montrose County Kiowa County Pueblo County Crowley County Saguache County Ouray County Prowers County (4) Custer County Bent County Otero County San Miguel County Hinsdale County Huerfano County San Juan County Mineral County Dolores County Rio Grande County Las Animas County (1) Alamosa County 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 2009 Data as of 3 am, Nov 24, 2009*
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 Mosquito Infections by County - Colorado, 2009
Adams County1
Arapahoe County1
Boulder County4
Delta County6
Jefferson County1
Larimer County43
Las Animas County1
Logan County3
Mesa County2
Prowers County4
Weld County12
Cumulative Total Entire State: 78
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Map Legend
* States and counties in yellow either did not perform surveillance or did not report any positive test results from their surveillance.