1. Centers for Disease Control and Prevention. COVID Data Tracker. Atlanta, GA: CDC.gov; 2022. Accessed February 7, 2022. https://covid.cdc.gov/covid-data-tracker/#datatracker-home.
2. Coronavirus Resource Center, Johns Hopkins University of Medicine. Baltimore, MD: JHU.edu; 2022. Accessed February 7, 2022. https://coronavirus.jhu.edu/map.html.
3. National Foundation of Infectious Diseases. Coronaviruses. Bethesda, MD: NFID.org. Date unknown. Accessed February 7, 2022. https://www.nfid.org/infectious-diseases/coronaviruses/.