Denise Herrmann of Germany collapses at the finish line during the women's 15-kilometer individual race at the 2022 Winter Olympics, Monday, Feb. 7, 2022, in Zhangjiakou, China. (AP Photo/Kirsty Wigglesworth)

Ireen Wust of the Netherlands reacts after winning her heat and breaking an Olympic record in the women's speedskating 1,500-meter race at the 2022 Winter Olympics, Monday, Feb. 7, 2022, in Beijing. Her time stood for the gold medal. (AP Photo/Sue Ogrocki)

FILE- Casey Dawson competes in the men's 500 meters during the U.S. Olympic long track speedskating trials, Friday, Jan. 5, 2018, in Milwaukee. Dawson tested positive for COVID-19 in January, 2022. Recently, Dawson had been testing negative and he believed that by producing two consecutive negative tests he would be cleared to join his teammates for the 2022Beijing Olympics. But Dawson posted on social media that four negative tests are now required for him to travel. (AP Photo/John Locher, File)

From left, Federica Brignone, of Italy, Sara Hector, of Sweden, and Lara Gut-Behrami, of Switzerland, celebrate after the women's giant slalom at the 2022 Winter Olympics, Monday, Feb. 7, 2022, in the Yanqing district of Beijing. (AP Photo/Luca Bruno)

FILE - Kim Meylemans, of Belgium, starts during the women's skeleton race at the Bobsleigh and Skeleton World Championships in Altenberg, Germany, Feb. 11, 2021. Meylemans was permitted to enter one of the Olympic villages early Thursday, Feb. 3, 2022, a move that came hours after she tearfully turned to social media and detailed how upset she was about being in isolation over virus concerns. Meylemans tested positive for COVID-19 upon her arrival at the Beijing Olympics, which meant she had to enter isolation and return several negative tests before being cleared to move into the Yanqing Olympic Village. (AP Photo/Matthias Schrader, File)

Arianna Fontana of Italy, celebrates after winning the final of the women's 500-meter during the short track speedskating competition at the 2022 Winter Olympics, Monday, Feb. 7, 2022, in Beijing. (AP Photo/David J. Phillip)

Canada goalkeeper Emerance Maschmeyer (38) wears a COVID mask under her helmet as she celebrates with teammates after a win over Russian Olympic Committee in a preliminary round women's hockey game at the 2022 Winter Olympics, Monday, Feb. 7, 2022, in Beijing. (AP Photo/Petr David Josek)

Benjamin Alexander and Jazmine Fenlator-Victorian, of Jamaica, lead their team in during the opening ceremony of the 2022 Winter Olympics, Friday, Feb. 4, 2022, in Beijing. (AP Photo/David J. Phillip)

Madison Chock and Evan Bates, of the United States, compete in the team ice dance program during the figure skating competition at the 2022 Winter Olympics, Monday, Feb. 7, 2022, in Beijing. (AP Photo/David J. Phillip)

Beat Feuz, of Switzerland, kicks his ski after finishing the men's downhill at the 2022 Winter Olympics, Monday, Feb. 7, 2022, in the Yanqing district of Beijing. (AP Photo/Mark Schiefelbein)

Eileen Gu of China reacts after her run in the women's freestyle skiing Big Air qualification round of the 2022 Winter Olympics, Monday, Feb. 7, 2022, in Beijing. (AP Photo/Jae C. Hong)

Vincent Zhou, of the United States, competes in the men's team free skate program during the figure skating competition at the 2022 Winter Olympics, Sunday, Feb. 6, 2022, in Beijing. (AP Photo/David J. Phillip)

Nika Kriznar, of Slovenia, celebrates with teammates Timi Zajc, second from left, Ursa Bogataj, second from right, and Peter Prevc after winning gold during the ski jumping mixed team event at the 2022 Winter Olympics, Monday, Feb. 7, 2022, in Zhangjiakou, China. (AP Photo/Matthias Schrader)

Gold medalist Canada's Max Parrot celebrates during the award ceremony for the men's slopestyle at the 2022 Winter Olympics, Monday, Feb. 7, 2022, in Zhangjiakou, China. (AP Photo/Gregory Bull)

Ren Ziwei of China, celebrates after winning the men's 1,000-meter final during the short track speedskating competition at the 2022 Winter Olympics, Monday, Feb. 7, 2022, in Beijing. (AP Photo/Natacha Pisarenko)