Xiaohui Chen, Ziyi Qiu, 13 May 2020

The COVID-19 pandemic has prompted a vast spectrum of unprecedented government interventions. This column discusses the impact of various interventions on COVID-19 transmission dynamics and the associated economic consequences. Examining the variation in government policies, it finds that policies such as lockdown, school closure, centralised quarantine and mask wearing are effective in controlling the virus transmission. A series of scenario analyses suggest that countries may avoid lockdown by imposing school closures, mask wearing and centralised quarantine simultaneously to reach similar COVID-19 infection mitigation outcomes.

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