Human West Nile Virus Infections: Colorado, 2010
Updated December 17, 2010

  New cases Clinical diagnosis Total cases Total deaths
Fever Meningitis Encephalitis
County of Residence . 1 1 1 3 .
Adams
Arapahoe . 3 2 2 7 .
Baca . 1 . . 1 .
Boulder . 4 1 1 6 .
Delta . 1 . . 1 .
Denver . . 1 . 1 .
Douglas . 1 . . 1 .
El Paso . 1 . . 1 .
Jefferson . 1 . . 1 .
Kit Carson . 1 . . 1 .
La Plata . 1 . 1 2 .
Larimer . 10 2 1 13 .
Mesa . 8 3 1 12 1
Moffat . 1 . . 1 .
Phillips . 4 . . 4 1
Prowers . 2 1 1 4 1
Pueblo . 1 1 . 2 .
Sedgwick . 2 . . 2 .
Weld . 12 5 1 18 1
COLORADO . 55 17 9 81 4

Counties not listed have no verified human cases of WNV
 



Clinical Diagnosis Associated with Human West Nile Virus Infections: Colorado, 2010

  % of cases
TYPE of WEST NILE INFECTION 67.9
Fever
Meningitis 21.0
Encephalitis 11.1
Total 100.0

 
 
 



Cases of West Nile Virus by Age Group & Gender: Colorado, 2010

  GENDER Total
Male Female
AGE GROUP 0 0 0
0-9
10-19 2 2 4
20-29 2 2 4
30-39 5 5 10
40-49 4 10 14
50-59 15 11 26
60-69 8 5 13
70-79 1 3 4
80+ 5 1 6
Total 42 39 81

 



Analysis of West Nile Virus Cases by Age

  Age
N Mean Median Min Max
TYPE of WEST NILE INFECTION 55 51.1 51.0 13 88
Fever
Meningitis 17 47.9 53.0 16 82
Encephalitis 9 69.3 69.0 46 90
Overall 81 52.4 53.0 13 90

The Mean or Average is the sum of all ages, divided by the total number cases
The Median is the AGE in which half the cases are higher in AGE and half the cases are lower in AGE
An age of 0 represents a child less than 1 year of age