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Figure 4 | BMC Infectious Diseases

Figure 4

From: Mapping the risk of avian influenza in wild birds in the US

Figure 4

Modelled number of AIV cases in wild birds per US state and region, 2006-2008. States are colored based on quintiles so that states that are in the top 20% with respect to the number of AIV cases are colored dark blue and states in the bottom 20% are red-orange. The symbology is adapted from a map of US GDP [84].

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