Media type: E-Article Title: Extending the interval of COVID-19 vaccine regimens in individuals aged 80 years or older Contributor: Iversen, Patrick L; Bavari, Sina imprint: Elsevier BV, 2021 Published in: The Lancet Healthy Longevity Language: English DOI: 10.1016/s2666-7568(21)00205-1 ISSN: 2666-7568 Keywords: Family Practice ; Psychiatry and Mental health ; Geriatrics and Gerontology ; Health (social science) Origination: Footnote: Access State: Open Access