Preparations are made at the Zhangjiakou National Ski Jumping Centre ahead of the 2022 Winter Olympics, Feb. 2, 2022, in Zhangjiakou, China. (AP Photo/Frank Franklin II)

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)

A forerunner tests the alpine skiing downhill course at the 2022 Winter Olympics, Wednesday, Feb. 2, 2022, in the Yanqing district of Beijing. (AP Photo/Robert F. Bukaty)

A man wears a protective mask while walking inside of the Zhangjiakou National Ski Jumping Centre before the start of competition at the 2022 Winter Olympics, Wednesday, Feb. 2, 2022, in Zhangjiakou, China. (AP Photo/Matthias Schrader)

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, Feb. 1, 2022, in Beijing. (AP Photo/Mark Schiefelbein, File)

FILE - The National Stadium and the Beijing Olympic Tower are lit in red on the eve of the Chinese New Year ahead of the 2022 Winter Olympics, Jan. 31, 2022, in Beijing. (AP Photo/Jae C. Hong, File)

FILE - Student activists wear masks with the colors of the pro-independence East Turkistan flag during a rally to protest the Beijing 2022 Winter Olympic Games, outside the Chinese Embassy in Jakarta, Indonesia, Friday, Jan. 14, 2022. Dozens of students staged the rally demanding the cancellation of the Beijing Olympics over alleged human rights violations against Muslim Uyghur ethnic minority in China's region of Xinjiang. (AP Photo/Tatan Syuflana, File)

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