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. 2015 May 4;10(5):e0124122. doi: 10.1371/journal.pone.0124122

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Fig 3 — The overall % positivity of types and subtypes is shown for each city. The left axis shows the percent monthly distribution of seasonal influenza A/H1 (blue); A/H3 (red), influenza B (green) and pandemic A/H1N1pdm09 (yellow) from 2009 to 2013.