Audience members cheer for Wataru Tanigawa of Japan as he competes in the rings during an international gymnastics meet in Tokyo on Sunday, Nov. 8, 2020. Gymnasts from four countries of China, Russia, U.S. and Japan performed in the meet at Yoyogi National Stadium First Gymnasium, a venue planned to be used in the Tokyo 2020 Olympics in the summer 2021. (AP Photo/Hiro Komae)

Gymnasts warm up before competing in an international gymnastics meet in Tokyo on Sunday, Nov. 8, 2020. Gymnasts from four countries of China, Russia, U.S. and Japan performed in the meet at Yoyogi National Stadium First Gymnasium, a venue planned to be used in the Tokyo 2020 Olympics in the summer 2021. (AP Photo/Hiro Komae)

Dimitrii Lankin of Russia competes in the parallel bars of an international gymnastics meet in Tokyo on Sunday, Nov. 8, 2020. Gymnasts from four countries of China, Russia, U.S. and Japan performed in the meet at Yoyogi National Stadium First Gymnasium, a venue planned to be used in the Tokyo 2020 Olympics in the summer 2021. (AP Photo/Hiro Komae)

A sign with the Pfizer logo stands outside the corporate headquarters of Pfizer Canada in Montreal, on Monday, Nov. 9, 2020. On Monday, the company says an early peek at its vaccine data suggests the shots may be 90% effective at preventing COVID-19, but it doesn't mean a vaccine is imminent. (Ryan Remiorz/The Canadian Press via AP)