FILE - Norway's Anne Kjersti Kalvaa competes during a women's cross country skiing freestyle 10 km pursuit competition at the FIS World Cup Ruka Nordic event in Kuusamo, Finland, on Nov. 29, 2020. Two members of Norway’s women’s cross-country team, Heidi Weng and Anne Kjersti Kalvaa, have tested positive for the coronavirus ahead of next month's Beijing Olympics. They contracted COVID-19 at a training camp in the Italian Alpine resort of Seiser Alm and are now isolating. (Emmi Korhonen/Lehtikuva via AP, File)

FILE - Norway's Heidi Weng celebrates on the podium after winning the women's Mass Start Free 10km event at the Tour de Ski in Val di Fiemme, Trento, Italy, on Jan. 4, 2022. Two members of Norway’s women’s cross-country team, Heidi Weng and Anne Kjersti Kalvaa, have tested positive for the coronavirus ahead of next month's Beijing Olympics. They contracted COVID-19 at a training camp in the Italian Alpine resort of Seiser Alm and are now isolating. (AP Photo/Giovanni Auletta, File)