USA Heatmap of Flu (IMAGE)
Caption
A heatmap of the US states illustrating the proportion of influenza seasons between 1921 and 1951 showing evidence for "relational exchange." Over 70% of seasons across all states provide support for this powerful influence on the spread of flu, a new University of Vermont study shows.
Credit
Courtesy Sam Scarpino. Published in <i>Nature Physics</i>.
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