1. Ortaliza J, Amin K, Cox C. COVID-19 leading cause of death ranking. Peterson-KFF Health System Tracker. https://www.healthsystemtracker.org/brief/covid-19-leading-cause-of-death-ranking/. Updated November 10, 2022. Accessed April 28, 2023.
2. Provisional mortality data — United States, 2022;Ahmad;MMWR Morb Mortal Wkly Rep,2023
3. Rakshit S, McGough M, Amin K, Cox C. How does US life expectancy compare to other countries? Peterson-KFF Health System Tracker. https://www.healthsystemtracker.org/chart-collection/u-s-life-expectancy-compare-countries/. Updated December 6, 2022. Accessed April 28, 2023.
4. Centers for Disease Control and Prevention. COVID data tracker. U.S. Department of Health and Human Services. https://covid.cdc.gov/covid-data-tracker/#vaccinations_vacc-total-admin-rate-total. Accessed 2022, January 7.
5. Anderer S. CDC Recommends Additional COVID-19 Booster for Older Adults. JAMA. Published online March 13, 2024. doi:10.1001/jama.2024.2071.