FILE - Workers wearing protective suits stand at an hotel's reception at the 2022 Winter Olympics, Feb. 11, 2022, in Beijing. (AP Photo/Natacha Pisarenko, File)

FILE - Chinese paramilitary police walk in formation on the Olympic Green near the edge of the closed-loop area at the 2022 Winter Olympics in Beijing, Jan. 30, 2022. (AP Photo/Mark Schiefelbein, File)

FILE - A woman outside the fenced off closed-loop area for the Olympics takes a picture of the Olympic Green ahead of the 2022 Winter Olympics, Feb. 1, 2022, in Beijing. (AP Photo/Natacha Pisarenko, File)

FILE - A waitress wearing a protective suit cleans a table at a restaurant in a hotel at the 2022 Winter Olympics, Feb. 3, 2022, in Beijing. (AP Photo/Natacha Pisarenko, File)

FILE - Security officers patrol near the edge of the closed-loop area on the Olympic Green near the main media center at the 2022 Winter Olympics in Beijing, Jan. 30, 2022. (AP Photo/Mark Schiefelbein, File)

FILE - A person looks through the fence at the closed-loop area for Olympics personnel on the Olympic Green near at the 2022 Winter Olympics, Tuesday, Feb. 1, 2022, in Beijing. (AP Photo/Mark Schiefelbein, File)

FILE - Olympic workers in protective clothing stand together at a hotel inside the Olympic bubble during the 2022 Winter Olympics, Saturday, Feb. 12, 2022, in Zhangjiakou, China. (AP Photo/Frank Augstein, File)