1. COVID-19 Coronavirus Pandemic. Reported Cases and Deaths by Country or Territory. Worldometers.info; 2021. Accessed June 13, 2021. https://www.worldometers.info/coronavirus/
2. World Health Organization. Coronavirus disease (COVID-19) Weekly Epidemiological Update and Weekly Operational Update. Geneva: World Health Organization; 2021. Accessed June 13, 2021. https://www.who.int/emergencies/diseases/novel-coronavirus-2019/situation-reports
3. Statista. Coronavirus (COVID-19) disease pandemic — Statistics & Facts. New York: Statista Inc; 2021. Accessed June 13, 2021. https://www.statista.com/topics/5994/the-coronavirus-disease-covid-19-outbreak/
4. Centers for Disease Control and Prevention. New ICD-10-CM code for the 2019 Novel Coronavirus (COVID-19). Atlanta: CDC
5. 2021. Accessed June 13, 2021. https://www.cdc.gov/nchs/data/icd/Announcement-New-ICD-code-for-coronavirus-2-20-2020.pdf