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. 2020 Oct 17;73(11):e3851–e3858. doi: 10.1093/cid/ciaa1561

Figure 1.

Figure 1.

Spatial dispersion of 4 geographic clusters of SFTS cases in China, 2010‒2018. Confirmed SFTS cases were marked as dots with the color indicating the year of reporting. Four clusters (I‒IV) were delineated according to the spatial trend surface analysis and the geographic aggregation of cases. In each cluster, contour lines of the time intervals (in days) from the first case reported in China to the first case reported in each SFTS-affected township reflect the diffusion direction of the disease. Abbreviation: SFTS, severe fever with thrombocytopenia syndrome.