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

Campbell, Finlay; Archer, Brett; Laurenson-Schafer, Henry; Jinnai, Yuka; Konings, Franck; Batra, Neale; Pavlin, Boris; Vandemaele, Katelijn; Van Kerkhove, Maria D; Jombart, Thibaut; +2 more... Morgan, Oliver; le Polain de Waroux, Olivier; (2021) Increased transmissibility and global spread of SARS-CoV-2 variants of concern as at June 2021. Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin, 26 (24). pp. 1-6. ISSN 1025-496X DOI: https://doi.org/10.2807/1560-7917.ES.2021.26.24.2100509

Abstract

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.

Additional Information

Item Type	Article
Faculty and Department	Faculty of Epidemiology and Population Health > Dept of Infectious Disease Epidemiology
Research Centre	Covid-19 Research
PubMed ID	34142653
Elements ID	163131