Team Canada WJHC training camp invitee Ridly Greig tested positive for COVID-19 on Nov. 8, his agent told TSN's Ryan Rishaug.
Greig is at home, asymptomatic, and is expected to join Canada's camp Nov. 22 when his 14-day quarantine ends.
The Ottawa Senators selected the 5-foot-11 center 28th overall during the 2020 NHL Draft. He collected 60 points in 56 games with the WHL's Brandon Wheat Kings last season and has drawn comparisons to Colorado Avalanche pivot Nazem Kadri.
The world juniors begin Christmas Day, and Canada's gold-medal defense starts Boxing Day against Germany.