[HTML][HTML] Clinical and virological features of SARS-CoV-2 variants of concern: a retrospective cohort study comparing B. 1.1. 7 (Alpha), B. 1.315 (Beta), and B. 1.617. 2 …
Background: The impact of SARS-CoV-2 variants of concern (VOCs) on disease severity is
unclear. In this retrospective cohort study, we compared outcomes of patients infected with
B. 1.1. 7, B. 1.351, and B. 1.617. 2 with those with wild-type strains from early 2020.
Methods: National surveillance data from 1-January-2021 to 22-May-2021 were obtained
from the Ministry of Health, and outcomes in relation to VOC were explored. Detailed patient
level data from all SARS-CoV-2 patients with VOC infection admitted to our centre between …
unclear. In this retrospective cohort study, we compared outcomes of patients infected with
B. 1.1. 7, B. 1.351, and B. 1.617. 2 with those with wild-type strains from early 2020.
Methods: National surveillance data from 1-January-2021 to 22-May-2021 were obtained
from the Ministry of Health, and outcomes in relation to VOC were explored. Detailed patient
level data from all SARS-CoV-2 patients with VOC infection admitted to our centre between …
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