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Figure 3 | International Journal of Health Geographics

Figure 3

From: Using geographic information systems and spatial and space-time scan statistics for a population-based risk analysis of the 2002 equine West Nile epidemic in six contiguous regions of Texas

Figure 3

Three-dimensional spatio-temporal trends of the illness onset in equine WNV cases reported from four of six contiguous Health Service Regions (HSR 1, 2/3 and 7) in Texas in 2002. Green vector reflects the tendency of case onsets over longitude; blue vector reflects the tendency of case onsets over latitude.

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International Journal of Health Geographics

ISSN: 1476-072X