1. Readmissions among patients with COVID-19;Atalla;Int. J. Clin. Pract.,2020
2. Belluck, P., 2020. Small number of COVID patients develop severe psychotic symptoms. The New York Times. URL https://www.nytimes.com/2020/12/28/health/covid-psychosis-mental.html.
3. Grading the strength of a body of evidence when assessing health care interventions for the Effective Health Care Program of the Agency for Healthcare Research and Quality: An Update;Berkman,2013
4. Centers for Disease Control and Prevention, 2020. COVID-19 hospitalization and death by race/ethnicity. Accessed February 2, 2021. URL https://www.cdc.gov/coronavirus/2019-ncov/covid-data/investigations-discovery/hospitalization-death-by-race-ethnicity.html#footnote02.
5. Centers for Disease Control and Prevention, 2021. Risk for COVID-19 infection, hospitalization, and death by age group. Accessed December 22, 2021. URL https://www.cdc.gov/coronavirus/2019-ncov/covid-data/investigations-discovery/hospitalization-death-by-age.html.