Workers in protective gear disinfect an Olympic shuttle bus ahead of the 2022 Winter Olympics, Sunday, Jan. 30, 2022, in Zhangjiakou, China. (AP Photo/Jae C. Hong)

A resident wearing a mask to help protect from the coronavirus walks past barricades and tents prepared for mass testing at a neighborhood in Beijing, China, Saturday, Jan. 29, 2022. Chinese are traveling to their hometowns for the Lunar New Year, the country's biggest family holiday, despite a government plea to stay where they are as Beijing tries to contain coronavirus outbreaks. (AP Photo/Ng Han Guan)

Residents wearing masks to help protect from the coronavirus past near a giant doll depicting the god of fortune ahead of Lunar New Year celebrations in Beijing, China, Saturday, Jan. 29, 2022. Chinese are traveling to their hometowns for the Lunar New Year, the country's biggest family holiday, despite a government plea to stay where they are as Beijing tries to contain coronavirus outbreaks. (AP Photo/Ng Han Guan)