Increased transmissibility and global spread of SARS-CoV-2 variants of concern as at June 2021

被引:560
|
作者
Campbell, Finlay [1 ]
Archer, Brett [1 ]
Laurenson-Schafer, Henry [1 ]
Jinnai, Yuka [1 ]
Konings, Franck [1 ]
Batra, Neale [1 ]
Pavlin, Boris [1 ]
Vandemaele, Katelijn [1 ]
Van Kerkhove, Maria D. [1 ]
Jombart, Thibaut [1 ,2 ,3 ]
Morgan, Oliver [1 ]
de Waroux, Olivier le Polain [1 ]
机构
[1] WHO, Hlth Emergencies Programme, Geneva, Switzerland
[2] Imperial Coll London, London, England
[3] London Sch Hyg & Trop Med, London, England
关键词
D O I
10.2807/1560-7917.ES.2021.26.24.2100509
中图分类号
R51 [传染病];
学科分类号
100401 ;
摘要
We present a global analysis of the spread of recently emerged SARS-CoV-2 variants and estimate changes in effective reproduction numbers at country-specific level using sequence data from GISAID. Nearly all investigated countries demonstrated rapid replacement of previously circulating lineages by the World Health Organization-designated variants of concern, with estimated transmissibility increases of 29% (95% CI: 24-33), 25% (95% CI: 20-30), 38% (95% CI: 29-48) and 97% (95% CI: 76-117), respectively, for B.1.1.7, B.1.351, P.1 and B.1.617.2.
引用
收藏
页码:1 / 6
页数:6
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