FILE- In this Sept. 13, 2021, file photo, a woman receives the first shot of the Moderna COVID-19 vaccine as others wait for their turn in front of pachinko pinball machines at the pachinko parlor Freedom in Osaka, western Japan. Almost overnight, Japan has become a stunning, and somewhat mysterious, coronavirus success story. Case numbers are way down, but experts worry that without knowing how exactly it cut cases so drastically, the nation may be in store for another devastating wave like during the summer. (Kyodo News via AP, File)