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Ramasamy MN, Minassian AM, Ewer KJ, et al. Safety and immunogenicity of ChAdOx1 nCoV-19 vaccine administered in a prime-boost regimen in young and old adults (COV002): a single-blind, randomised, controlled, phase 2/3 trial. Lancet 2020; 396: 1979–93—In figure 7 of this Article, the green line in the key should have been labelled “18–55 years group (low dose)”. This correction has been made to the online version as of April 8, 2021.
