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The Effects of Border Shutdowns on the Spread of COVID-19

Nahae Kang1, Beomsoo Kim1

  • 1Department of Economics, Korea University, Seoul, Korea.

Journal of Preventive Medicine and Public Health = Yebang Uihakhoe Chi
|October 18, 2020
PubMed

Insights

Border shutdowns significantly reduced COVID-19 spread. Early travel bans on Chinese visitors lowered cases by over 90% in evaluated countries, demonstrating effective public health policy.

Area of Science:

  • Epidemiology
  • Public Health Policy

Background:

  • The COVID-19 pandemic necessitated rapid public health interventions.
  • Entry bans targeting specific nationalities were implemented by some nations early in the pandemic.

Purpose of the Study:

  • To evaluate the impact of border shutdowns on the transmission of COVID-19.
  • To quantify the effectiveness of travel restrictions in mitigating outbreak spread.

Main Methods:

  • Utilized the synthetic control method to analyze the effects of entry bans.
  • Employed World Health Organization situation reports for cumulative case data.
  • Constructed synthetic countries for comparison against nations with border policies.

Main Results:

  • Border shutdowns demonstrated a significant reduction in COVID-19 cases.
  • In Australia, a 94.4% decrease in cases was observed post-policy implementation.
  • On average, border closures reduced COVID-19 cases by 91.7% by late February, with effects appearing within approximately 13 days.

Conclusions:

  • Early February border shutdowns were effective in curbing the spread of the virus.
  • Findings provide valuable insights for the development of future public health strategies.
  • Evidence supports the utility of border control measures in pandemic management.
Abstract

Keywords:
Border shutdownCoronavirusPandemicsSynthetic control method

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