FILE - Olympic workers in hazmat suits work at a credential validation desk at the Beijing Capital International Airport ahead of the 2022 Winter Olympics in Beijing, Monday, Jan. 24, 2022. Athletes and others headed to the Olympics face a multitude of COVID-19 testing hurdles as organizers seek to catch any infections early and keep the virus at bay. (AP Photo/Jae C. Hong, File)

FILE - Inflated Beijing Games mascot, Bing Dwen Dwen, tries to squeeze through the door to enter the main media center at the 2022 Winter Olympics, Monday, Jan. 24, 2022, in Beijing. Athletes and others headed to the Olympics face a multitude of COVID-19 testing hurdles as organizers seek to catch any infections early and keep the virus at bay. (AP Photo/Jae C. Hong, File)