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Global cities, hypermobility, and Covid-19.

Leandro da Silva Corrêa1,2, Anthony Perl1,2

  • 1Urban Studies Program.

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|December 13, 2021
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Summary

Global cities acted as pandemic gateways, spreading COVID-19 worldwide through traveler hypermobility. Most cities studied were entry points for the virus within their countries during the first wave.

Area of Science:

  • Urban Studies
  • Epidemiology
  • Globalization Studies

Background:

  • Recurring urban challenges arise from the interplay of cities, globalization, and mobility.
  • Global cities' interconnectedness through mobility networks presents unique vulnerabilities during pandemics.

Purpose of the Study:

  • To examine how global cities function as pandemic gateways.
  • To test the hypothesis that hypermobility of infected travelers introduced COVID-19 to many countries via global cities.

Main Methods:

  • Assembled data on population and COVID-19 cases in global cities and their countries.
  • Compared infection rates on a fixed date to assess transmission patterns.
  • Analyzed air travel data to correlate hypermobility with urban hierarchy.
Keywords:
COVID-19Global CityGlobalizationHypermobilityMobilityPandemic

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Main Results:

  • Most global cities exhibited a common pattern in COVID-19 spread during the first wave.
  • 75% of sampled global cities served as the primary entry point for COVID-19 diffusion within their countries.
  • This gateway function reached 90% in cities within a defined urban hierarchy, linked to air travel volume.

Conclusions:

  • Global cities' hypermobility networks facilitate rapid pandemic diffusion, acting as critical gateways.
  • Understanding the role of urban hierarchy is key to comprehending pandemic spread patterns.
  • Further research is needed to explore why some global cities did not act as pandemic gateways.