1. CDC. About COVID-19. Centers for Disease Control and Prevention. Accessed March 23, 2021, 2021. https://www.cdc.gov/coronavirus/2019-ncov/cdcresponse/about-COVID-19.html
2. Harcourt J, Tamin A, Lu X, et al. Severe Acute Respiratory Syndrome Coronavirus 2 from Patient with Coronavirus Disease, United States. Emerg Infect Dis. Jun 2020;26(6):1266-1273. doi:10.3201/eid2606.200516
3. CDC. United States COVID-19 Cases and Deaths by State. Centers for Disease Control and Prevention. Accessed March 25, 2021, 2021. https://covid.cdc.gov/covid-data-tracker/#cases_casesper100klast7days
4. ADPH. Alabama's COVID-19 Data and Surveillance Dashboard 2021. Alabama Department of Public Health. Accessed March 25, 2021, 2021. https://alpublichealth.maps.arcgis.com/apps/opsdashboard/index.html#/6d2771faa9da4a2786a509d82c8cf0f7
5. CDC. How COVID-19 Spreads. Centers for Disease Control and Prevention. Accessed March 23, 2021, 2021. https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/how-covid-spreads.html