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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; Morgan, Oliver; le Polain de Waroux, Olivier.
Affiliation
  • Campbell F; Health Emergencies Programme, World Health Organization, Geneva, Switzerland.
  • Archer B; Health Emergencies Programme, World Health Organization, Geneva, Switzerland.
  • Laurenson-Schafer H; Health Emergencies Programme, World Health Organization, Geneva, Switzerland.
  • Jinnai Y; Health Emergencies Programme, World Health Organization, Geneva, Switzerland.
  • Konings F; Health Emergencies Programme, World Health Organization, Geneva, Switzerland.
  • Batra N; Health Emergencies Programme, World Health Organization, Geneva, Switzerland.
  • Pavlin B; Health Emergencies Programme, World Health Organization, Geneva, Switzerland.
  • Vandemaele K; Health Emergencies Programme, World Health Organization, Geneva, Switzerland.
  • Van Kerkhove MD; Health Emergencies Programme, World Health Organization, Geneva, Switzerland.
  • Jombart T; Health Emergencies Programme, World Health Organization, Geneva, Switzerland.
  • Morgan O; London School of Hygiene and Tropical Medicine, London, United Kingdom.
  • le Polain de Waroux O; Imperial College London, London, United Kingdom.
Euro Surveill ; 26(24)2021 Jun.
Article in En | MEDLINE | ID: mdl-34142653
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.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 Limits: Humans Language: En Journal: Euro Surveill Journal subject: DOENCAS TRANSMISSIVEIS Year: 2021 Document type: Article Affiliation country: Switzerland
Fulltext
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 Limits: Humans Language: En Journal: Euro Surveill Journal subject: DOENCAS TRANSMISSIVEIS Year: 2021 Document type: Article Affiliation country: Switzerland