1. Centers for Disease Control and Prevention. Interim public health recommendations for fully vaccinated people. May 28th update, 2021. Accessed July 6, 2021.
2. Walensky R. 2021, May 14. Twitter. https://twitter.com/cdcdirector/status/1393312416373645317?lang=en. Accessed July 6, 2021.
3. Centers for Disease Control and Prevention. COVID data tracker. Trends in COVID-19 cases and deaths in the United States, by county-level population factors. https://covid.cdc.gov/covid-data-tracker/#pop-factors_14daynewcases. Accessed July 23, 2021.
4. Institute of Medicine. The Future of Public Health,1988
5. Race, risk, and personal responsibility in the response to COVID-19;Ahmed;Columbia Law Rev,2021