All authors have completed and submitted the International Committee of Medical Journal Editors form for disclosure of potential conflicts of interest. Nikki Thomas-Campbell reports leadership of the Continuum of Care Program, Office to Prevent and End Homelessness and the Homelessness Management Information System, Fairfax County. Katherine Diaz Vickery reports support from the National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health; a contract from the Minnesota Department of Health to work on COVID-19 vaccination data; and is a board member and chair of the research committee of the National Health Care for the Homeless Council. Alicia H. Chang reports ownership of common stock in Johnson & Johnson. No other potential conflicts of interest were disclosed.