Published time: 17 March 2020
Authors: Ping Zhong, Songxue Guo, Ting Chen
Keywords: Coronavirus, Public health emergency of international concern, 2019-nCov, Migration, Containment, Quarantine, Trave
We found a strong correlation between travel volumes departing from Wuhan, Hubei Province before the Spring Festival and the extent of amplification of the outbreak of COVID-19 in China in 2020, with 100 top cities. Almost 70% of exportations were within cities in Hubei province.
Correlation between travellers departing from Wuhan before the Spring Festival and subsequent spread of COVID-19 to all provinces in China