Correlation between travellers departing from Wuhan before the Spring Festival and subsequent spread of COVID-19 to all provinces in China
Ping Zhong, MD, Songxue Guo, MD, Ting Chen, MD Author Notes
Journal of Travel Medicine, taaa036, https://doi.org/10.1093/jtm/taaa036
Published: 17 March 2020
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.