Human West Nile Virus Infections: Colorado, 2006

  New cases Clinical diagnosis Total cases Total deaths
Fever Meningitis Encephalitis
County of Residence . 9 2 . 11 .
Adams
Arapahoe . 1 . 1 2 .
Bent . 3 . . 3 .
Boulder . 66 5 3 74 1
Broomfield . 4 2 . 6 .
Crowley . 1 . 1 2 .
Delta . 27 3 4 34 1
Denver . 5 . . 5 .
Eagle . . 1 . 1 .
Elbert . 1 1 . 2 .
El Paso . 5 . . 5 .
Fremont . 1 . . 1 .
Garfield . 2 . . 2 .
Jefferson . 3 2 3 8 1
La Plata . 2 . . 2 .
Larimer . 35 5 2 42 1
Logan . 7 . . 7 .
Mesa . 29 3 6 38 2
Montrose . 9 2 2 13 .
Morgan . 2 . . 2 .
Otero . 3 . . 3 .
Phillips . 1 . . 1 .
Prowers . 4 . 1 5 .
Pueblo . 7 . . 7 .
Weld . 52 8 8 68 1
Yuma . 1 . . 1 .
COLORADO . 280 34 31 345 7

Counties not listed have no verified human cases of WNV
 



Clinical Diagnosis Associated with Human WNV Infections: Colorado, 2006

  % of cases
TYPE of WEST NILE INFECTION 81.2
Fever
Meningitis 9.9
Encephalitis 9.0
Total 100.0

 
 
 



Cases of West Nile Virus by Age Group & Gender: Colorado, 2006

  GENDER Total
Male Female
AGE GROUP 1 1 2
0-9
10-19 10 5 15
20-29 8 14 22
30-39 28 33 61
40-49 44 37 81
50-59 43 46 89
60-69 21 17 38
70-79 12 11 23
80+ 7 7 14
Total 174 171 345

 



Analysis of West Nile Virus Cases by Age: Colorado, 2006

  Age
N Mean Median Min Max
TYPE of WEST NILE INFECTION 280 46.3 47.0 9 91
Fever
Meningitis 34 49.9 47.5 14 81
Encephalitis 31 63.2 67.0 6 87
Overall 345 48.2 49.0 6 91

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