During the past four days, China has detected some 119 cases of Covid-19 among people linked to the Beijing Winter Olympics, with authorities imposing a "closed loop" bubble to keep participants, staff and media separated from the public.
The tally from the weekend showed 37 new cases on Sunday, and 34 on Saturday, with most testing positive after arrival at the airport, Games organisers said.
Some 3,000 athletes, along with coaches, officials, referees, federation delegates and media are expected for the Games, due to run from February 4-21.
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