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Characteristics of infections with ancestral, Beta and Delta variants of SARS-CoV-2 in the PHIRST- C community cohort study, South Africa, 2020-2021
Abstract Background Data on the characteristics of individuals with mild and asymptomatic infections with different SARS-CoV-2 variants are limited. We therefore compared the characteristics of individuals infected with ancestral, Beta and Delta SARS-CoV-2 variants in South Africa. Methods We conducted a prospective cohort study in a rural and an urban …