Clinical and Virological Features of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Variants of Concern: A Retrospective Cohort Study Comparing B.1.1.7 (Alpha), B.1.351 (Beta), and B.1.617.2 (Delta)

Wei Xiang Ong, Sean; J. Chiew, Calvin; Wei Ang, Li; Minn Mak, Tze; Cui, Lin; Paul HS Toh, Matthias; Ding Lim, Yi; Hua Lee, Pei; Hong Lee, Tau; Ying Chia, Po; Maurer‐Stroh, Sebastian; T. P. Lin, Raymond; Leo, Yee‐Sin; J. Lee, Vernon; Chien Lye, David; Edward Young, Barnaby

doi:10.1093/cid/ciab721

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Clinical and Virological Features of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Variants of Concern: A Retrospective Cohort Study Comparing B.1.1.7 (Alpha), B.1.351 (Beta), and B.1.617.2 (Delta)

Published in Clinical Infectious Diseases • Aug 21, 2021

Authors:

Sean Wei Xiang Ong

Calvin J. Chiew

Li Wei Ang

Abstract

BACKGROUND: The impact of SARS-CoV-2 variants of concern (VOCs) on disease severity is unclear. In this retrospective study, we compared the outcomes of patients infected with B.1.1.7, B.1.351, and B.1.617.2 with wild-type strains from early 2020. METHODS: National surveillance data from January to ...

Subject

Medicine

Odds ratio

Retrospective cohort study

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