1. NHK. Medical system in Tokyo under extreme strain. 14 Jan 2021. https://www3.nhk.or.jp/nhkworld/en/news/20210114_35/.
2. Maiko E, NHK. Infection surge has Tokyo hospitals at breaking point. 12 Jan 2021. https://www3.nhk.or.jp/nhkworld/en/news/backstories/1459/.
3. Obe M, Okutsu A. Japan’s wider covid emergency zone promises hospitals no relief. Nikkei Asia 2021 Jan 13. https://asia.nikkei.com/Spotlight/Coronavirus/Japan-s-wider-COVID-emergency-zone-promises-hospitals-no-relief.
4. Shin HS. Korea reports record coronavirus cases as Seoul runs out of critical care beds. Reuters 2020 Dec 16. https://www.reuters.com/article/uk-health-coronavirus-southkorea-idUKKBN28Q0H1?edition-redirect=uk.