Figure 3From: Annual economic impacts of seasonal influenza on US counties: Spatial heterogeneity and patternsSpatial heterogeneity between US counties, in terms of (a) Total economic costs of influenza, and (b) Economic cost per capita. The detailed county estimates and associated 95% confidence intervals were available at http://heep.geog.ufl.edu/flucost/ and Additional file 2.Back to article page