Fig. 1

Change in the total number and number of newly admitted patients with COVID-19 at the National Hospital Organization Fukuoka-Higashi Medical Center. The peak of the third COVID-19 epidemic wave was from December 2020 to February 2021. The survey was performed from February 14–28, at the end of the peak of the third wave of COVID-19. The solid and dotted lines show the number of newly admitted patients and the total number of COVID-19 patients hospitalized, respectively