New Lifestyles Due to COVID-19 and Behavior of Young People Attending Universities in Japan.

The novel coronavirus infection (hereinafter, this is called COVID-19) broke out in 2019. I6 January 2020, positive cases of infection were confirmed in Japan, which forced the closure of elementary and junior high schools, voluntary restraint from going out based on a declaration of a state of emergency, and cancellation of events. After more than two years, the world is gradually beginning to move toward a new normal.