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Emerg Infect Dis
. 2021 Oct 13;28(1).
doi: 10.3201/eid2801.211944. Online ahead of print.
Effectiveness of International Travel Controls for Delaying Local Outbreaks of COVID-19
Bingyi Yang, Sheena G Sullivan, Zhanwei Du, Tim K Tsang, Benjamin J Cowling
- PMID: 34647863
- DOI: 10.3201/eid2801.211944
Abstract
During the coronavirus disease pandemic, international travel controls have been widely adopted. To determine the effectiveness of these measures, we analyzed data from 165 countries and found that early implementation of international travel controls led to a mean delay of 5 weeks in the first epidemic peak of cases.
Keywords: 2019 novel coronavirus disease; COVID-19; SARS-CoV-2; border control; coronavirus disease; epidemiology; respiratory infections; severe acute respiratory syndrome coronavirus 2; viruses; zoonoses.