COVID-19 due to the B.1.617.2 (Delta) variant compared to B.1.1.7 (Alpha) variant of SARS-CoV-2: two prospective observational cohort studies (2021)
Abstract
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Bibliographic Information
Digital Object Identifier: http://dx.doi.org/10.1101/2021.11.24.21266748
Publication URI: http://dx.doi.org/10.1101/2021.11.24.21266748
Type: Preprint