August 3, 2020

Strategies to Reduce the Risk of SARS-CoV-2 Re-Introduction from International Travellers

Category: Article Summary

Topic: Modeling and Prediction

• [Preprint, not peer-reviewed] Clifford et al. estimated that a quarantine period of eight days for air travelers arriving to the UK with a PCR test on day-7 can reduce the number of infectious arrivals released into the community by a median 94% when compared with no quarantine. This reduction is similar to the 99% median reduction achieved by a 14–day quarantine period. Without quarantine, the current high prevalence of SARS-CoV-2 in the US would result in up to 23 introductions of infectious travelers per week.  

Clifford et al. (July 24, 2020). Strategies to Reduce the Risk of SARS-CoV-2 Re-Introduction from International Travellers. Pre-print downloaded Aug 3 from https://doi.org/10.1101/2020.07.24.20161281