Does lock-down of Wuhan effectively restrict early geographic spread of novel coronavirus epidemic during chunyun in China? A spatial model study
Abstract Background Prior to Wuhan lock-down in 2020, chunyun, the largest population mobility on this planet, had begun.We quantified impact of Wuhan lock-down on COVID-19 spread during chunyun across the nation.Methods During the period of January 1 to February 9, 2020, a total of 40,278 confirmed COVID-19 cases from 319 municipalities in mainlan