An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Geriatric Medicine Research Collaborative; Covid Collaborative; Welch C.Geriatric Medicine Research Collaborative, et al.Age Ageing. 2021 May 5;50(3):617-630. doi: 10.1093/ageing/afab026.Age Ageing. 2021.PMID: 33543243Free PMC article.