[\'Optum Labs, Minnetonka, MN, USA Ken.Cohen@optum.com.\', \'Optum Labs, Minnetonka, MN, USA.\', \'Optum Global Advantage, Dublin, Ireland.\', \'Harvard T H Chan School of Public Health, Boston, MA, USA.\']
Risk of persistent and new clinical sequelae among adults aged 65 years and older during the post-acute phase of SARS-CoV-2 infection: retrospective cohort study.