Correlation between travellers departing from Wuhan before the Spring Festival and subsequent spread of COVID-19 to all provinces in China

J Travel Med. 2020 May 18;27(3):taaa036. doi: 10.1093/jtm/taaa036.


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.

Keywords: 2019-nCov; Coronavirus; Public Health Emergency of International Concern; containment; migration; quarantine; travel.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Betacoronavirus
  • COVID-19
  • China / epidemiology
  • Coronavirus Infections / epidemiology*
  • Holidays
  • Humans
  • Pandemics
  • Pneumonia, Viral / epidemiology*
  • Risk Factors
  • SARS-CoV-2
  • Travel*