Centers for Disease Control and Prevention (CDC). 2020. “United States COVID-19 Cases and Deaths by State,” updated March 1, 2021. https://covid.cdc.gov/covid-data-tracker/.
Centers for Disease Control and Prevention (CDC). 2020. “United States COVID-19 Cases and Deaths by State,” updated March 1, 2021. https://covid.cdc.gov/covid-data-tracker/.