The LancetVolume 396, Issue 10267, 19 December 2020–1 January 2021, Pages 1942-1944CommentAge and frailty in COVID-19 vaccine developmentAuthor links open overlay panelMelissa K Andrew a, Janet E McElhaney bShow moreShareCitehttps://doi.org/10.1016/S0140-6736(20)32481-8Get rights and contentPrevious article in issueNext article in issueRecommended articlesCited by (0)View Abstract© 2020 Elsevier Ltd. All rights reserved.