Alliance for Pandemic Preparedness

December 11, 2020

Effect of internationally imported cases on internal spread of COVID-19: a mathematical modelling study

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  • A modeling study assessing the global impact of travel restrictions due to COVID-19 finds the restrictions are effective primarily in countries with low numbers of cases or that have strong travel links with countries experiencing high rates of infection. The authors suggest that strict untargeted travel restrictions are probably unjustified in many countries, other than those that have both high levels of international travel connections and very low local COVID-19 incidence.

Russell et al. (Dec 07, 2020). Effect of internationally imported cases on internal spread of COVID-19: a mathematical modelling study. The Lancet Public Health. https://doi.org/10.1016/S2468-2667(20)30263-2