1. The Nicomachean Ethics of Aristotle;Aristotle,1971
2. An Introduction to the Principles of Morals and Legislation;Bentham,1982
3. Bonfiglio N (2020) Are Fewer People Dying Now From COVID-19 Than They Were at the Beginning of the Pandemic? https://coronavirus.nautil.us/percentage-of-people-who-die-from-covid/.
4. Priority to the worse off in health-care resource prioritization;Brock,2012
5. Model-informed COVID-19 vaccine prioritization strategies by age an serostatus;Buba;Science,2021