Human West Nile Virus Infections: Colorado, 2008
Updated June 26, 2009

  New cases Clinical diagnosis Total cases Total deaths
Fever Meningitis Encephalitis
County of Residence . 6 . . 6 .
Adams
Arapahoe . . 1 . 1 .
Boulder . 11 1 1 13 .
Delta . 1 . . 1 .
Denver . 1 1 1 3 .
Gunnison . 1 . . 1 .
Jefferson . 2 . 1 3 .
Kiowa . 1 . . 1 .
Larimer . 10 2 1 13 1
Logan . 2 . . 2 .
Morgan . 2 . . 2 .
Otero . 1 . . 1 .
Phillips . 1 . . 1 .
Prowers . . 1 . 1 .
Pueblo . 2 . . 2 .
Weld . 12 5 2 19 .
Yuma . 1 . . 1 .
COLORADO . 54 11 6 71 1

Counties not listed have no verified human cases of WNV
 

 


Clinical Diagnosis Associated with Human West Nile Virus Infections: Colorado, 2008

  % of cases
TYPE of WEST NILE INFECTION 76.1
Fever
Meningitis 15.5
Encephalitis 8.5
Total 100.0

 
 
 

 


Cases of West Nile Virus by Age Group & Gender: Colorado, 2008

  GENDER Total
Male Female
AGE GROUP 0 0 0
0-4
5-9 0 0 0
10-14 0 0 0
15-19 2 2 4
20-24 1 2 3
25-29 1 4 5
30-34 6 5 11
35-39 2 2 4
40-44 5 1 6
45-49 4 3 7
50-54 4 5 9
55-59 5 3 8
60-64 1 1 2
65-69 2 3 5
70-74 1 4 5
75-79 0 0 0
80-84 0 1 1
85-89 0 0 0
90+ 1 0 1
Total 35 36 71

 

 


Analysis of West Nile Virus Cases by Age

  Age
N Mean Median Min Max
TYPE of WEST NILE INFECTION 54 44.9 47.0 15 82
Fever
Meningitis 11 38.5 38.0 20 74
Encephalitis 6 65.5 68.0 31 92
Overall 71 45.6 46.0 15 92

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