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. 2020 May 28;98(7):484–494. doi: 10.2471/BLT.20.254045

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(c) 2020 The authors; licensee World Health Organization.

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Fig. 3 — Number of travellers entering and leaving Wuhan city, Hubei province, China from 1 January to 14 February 2020 and the same period in 2019

Data source: Baidu Migration website.¹⁸