| Human West Nile Virus Infections: Colorado, 2009 |
| Updated June 24, 2010 |
| New cases | Clinical diagnosis | Total cases | Total deaths | |||
|---|---|---|---|---|---|---|
| Fever | Meningitis | Encephalitis | ||||
| County of Residence | . | 3 | 2 | 1 | 6 | 1 |
| Adams | ||||||
| Arapahoe | . | 7 | 3 | . | 10 | . |
| Boulder | . | 11 | . | 1 | 12 | . |
| Broomfield | . | 1 | . | . | 1 | . |
| Cheyenne | . | 1 | . | 1 | 2 | 1 |
| Denver | . | 1 | . | . | 1 | . |
| Jefferson | . | 7 | . | 1 | 8 | . |
| La Plata | . | . | . | 1 | 1 | . |
| Larimer | . | 15 | 4 | 6 | 25 | . |
| Logan | . | 1 | . | 1 | 2 | . |
| Mesa | . | . | 1 | 1 | 2 | 1 |
| Morgan | . | 3 | . | . | 3 | . |
| Otero | . | 3 | 3 | 1 | 7 | . |
| Prowers | . | 4 | 1 | . | 5 | . |
| Pueblo | . | 1 | . | 1 | 2 | . |
| Sedgwick | . | . | 1 | . | 1 | . |
| Weld | . | 10 | 3 | 2 | 15 | . |
| COLORADO | . | 68 | 18 | 17 | 103 | 3 |
| Counties not listed have no verified human cases of WNV |
| Clinical Diagnosis Associated with Human West Nile Virus Infections: Colorado, 2009 |
| % of cases | |
|---|---|
| TYPE of WEST NILE INFECTION | 66.0 |
| Fever | |
| Meningitis | 17.5 |
| Encephalitis | 16.5 |
| Total | 100.0 |
| Cases of West Nile Virus by Age Group & Gender: Colorado, 2009 |
| GENDER | Total | |||
|---|---|---|---|---|
| Male | Female | 9 | ||
| AGE GROUP | 0 | 0 | 0 | 0 |
| 0-9 | ||||
| 10-19 | 2 | 7 | 0 | 9 |
| 20-29 | 4 | 4 | 0 | 8 |
| 30-39 | 4 | 5 | 0 | 9 |
| 40-49 | 10 | 11 | 0 | 21 |
| 50-59 | 16 | 6 | 0 | 22 |
| 60-69 | 13 | 10 | 1 | 24 |
| 70-79 | 3 | 5 | 0 | 8 |
| 80+ | 0 | 2 | 0 | 2 |
| Total | 52 | 50 | 1 | 103 |
| Analysis of West Nile Virus Cases by Age |
| Age | |||||
|---|---|---|---|---|---|
| N | Mean | Median | Min | Max | |
| TYPE of WEST NILE INFECTION | 68 | 47.2 | 49.5 | 12 | 77 |
| Fever | |||||
| Meningitis | 18 | 49.0 | 53.5 | 11 | 76 |
| Encephalitis | 17 | 60.5 | 67.0 | 26 | 86 |
| Overall | 103 | 49.7 | 51.0 | 11 | 86 |
| 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 |