A worker prepares to administer a COVID-19 test at the 2022 Winter Olympics, Wednesday, Feb. 2, 2022, in Beijing. (AP Photo/Natacha Pisarenko)

Masks hang on sticks during a practice session for Switzerland's women's hockey team at the 2022 Winter Olympics, Wednesday, Feb. 2, 2022, in Beijing. (AP Photo/Matt Slocum)

Members of Team Germany go through security after arriving at the Olympic Village ahead of the 2022 Winter Olympics, Tuesday, Feb. 1, 2022, in Beijing. (Anthony Wallace/Pool Photo via AP)

FILE - United States' Hannah Soar holds her skis after a run in the finals of a World Cup freestyle moguls competition at Deer Valley Resort in Park City, Utah, Jan. 13, 2022. With Beijing Olympic organizers adopting a “zero COVID” policy and strict testing just to get on flights to China, skiers, sliders and skaters are taking extreme measures to avoid the coronavirus and its omicron variant. (AP Photo/Rick Bowmer, File)

Members of Team Switzerland arrive at the Olympic Village ahead of the 2022 Winter Olympics, Tuesday, Feb. 1, 2022, in Beijing. (Anthony Wallace/Pool Photo via AP)

Members of Team Norway stand for photographs after entering the gate of the Olympic Village ahead of the 2022 Winter Olympics, Tuesday, Feb. 1, 2022, in Beijing. (Anthony Wallace/Pool Photo via AP)