Du, Zhanwei; Lin Wang; Bingyi Yang; Sheikh Taslim Ali; Tim K. Tsang; Songwei Shan; Peng Wu; Eric H. Y. Lau; Benjamin J. Cowling and Lauren Ancel Meyers
A fast-spreading severe acute respiratory syndrome coronavirus 2 variant identified in the United Kingdom in December 2020 has raised international alarm. We analyzed data from 15 countries and estimated that the chance that this variant was imported into these countries by travelers from the United Kingdom by December 7 is >50%.