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. 2022 Dec 16;18(12):e1011046. doi: 10.1371/journal.ppat.1011046

Fig 1. Dynamics of influenza A(H3N2) in the selected thirteen regions of China.

Fig 1

A) Geographical distribution of the selected regions that include nine from the southern region (filled in red) and four from the northern region (filled in green). B) Time-series of the proxy incidence rate for influenza A(H3N2) (A(H3N2)+) in the selected regions between 2012 and 2018. The grey shadows represent the summer/autumn months (June, July, August and September) in China. Map was made using R Software (https://www.r-project.org). Source of the basemap shapefile: National Catalogue Service For Geographic Information (https://www.webmap.cn/main.do?method=index).