1. Joint statement of G7 leaders. 19 Feb 2021. https://www.g7uk.org/joint-statement-of-g7-leaders-19-february-2021/
2. World Health Organization. Coronavirus (covid-19) dashboard. https://covid19.who.int/
3. Future scenarios for the COVID-19 pandemic
4. International Olympic Committee. Tokyo 2020. IOC lays out progress on vaccinations. 11 Mar 2021. https://www.olympic.org/news/ioc-lays-out-progress-on-vaccinations
5. Japan should aim to eliminate covid -19