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. 2021 Jan 6;16(1):51–74. doi: 10.1007/s11417-020-09339-8

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Fig. 1 — Total confirmed Covid-19 cases from January 22 to May 6, 2020, of Hubei, Hong Kong and Macau and Taiwan, China excluding Hubei, and World excluding China. (Data source: Johns Hopkins University Center for Systems Science and Engineering, 2020)