Table 1 Comparisons of the Cumulative Incidence of Reported La Crosse Virus Infection Cases in the Population 15 Years and Younger for West Virginia County and Census Tracts, 2003 to 2007
| Â | Â | Cumulative incidence per 100,000 persons | ||
|---|---|---|---|---|
Geographic Risk Level | Obs. | Median | Range | |
Entire Study Area | County | 55 | 0.0 | 0.0 - 166.8 |
| Â | Census tract | 466 | 0.0 | 0.0 - 505.9 |
Reporting Cases | County | 18 | 32.1 | 7.2 - 166.8 |
| Â | Census tract | 50 | 150.0 | 42.4 - 505.9 |
High-Risk Clusters | County | 4 | 83.2 | 40.2 - 166.8 |
| Â | Census tract | 30 | 156.5 | 61.7 - 505.9 |