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A comparative cohort study was conducted on COVID 19 samples from two different variants Daxing B.1.1.7 and Shunyi B.1.470, to determine the clinical freatures of B.1.1.7 variant.
Title COVID-19 cases from the first local outbreak of SARS-CoV-2 B.1.1.7 variant in China presented more serious clinical features: a prospective, comparative cohort study
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Date of publishing2021 May 08