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In: Shoi Shi, Shiori Tanaka, Ryo Ueno, Stuart Gilmour, Yuta Tanoue, et al. Travel restrictions and SARS-CoV-2 transmission: an effective distance approach to estimate impact. Bull World Health Organ. 2020 Aug 1;98(8):518–529 On page 521, equation 3 should read as follows:
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(3) |
