1. US Census Bureau. Source of the Data and Accuracy of the Estimates for the Household Pulse Survey. [cited 2021 Apr 26]; Available from: https://www2.census.gov/programs-surveys/demo/technical-documentation/hhp/Phase3_Source_and_Accuracy_Week_27.pdf
2. Kliff S. The Covid Vaccine Is Free, but Not Everyone Believes That. The New York Times [Internet]. 2021 Jun 1 [cited 2021 Oct 30]; Available from: https://www.nytimes.com/2021/06/01/upshot/covid-vaccine-hesitancy-cost.html
3. Levine DM, Linder JA, Landon BE. Characteristics of Americans With Primary Care and Changes Over Time, 2002–2015. JAMA Intern Med 2020 Mar 1;180(3):463–6.
4. Many veterans don’t trust coronavirus vaccines. For a VA crew in the rural West, that means changing minds, one by one. [Internet]. Washington Post. [cited 2021 Apr 27]. Available from: http://www.washingtonpost.com/politics/2021/04/17/veterans-coronavirus-vaccine/
5. “As rural as you can get”: Montana VA flies coronavirus vaccine to eager veterans [Internet]. Stars and Stripes. [cited 2021 Apr 27]. Available from: https://www.stripes.com/news/veterans/as-rural-as-you-can-get-montana-va-flies-coronavirus-vaccine-to-eager-veterans-1.664937