看法，北京奥运会期间可能会让疫情控制更加困难。一下进来那么多银……

Bloomberg) -- Beijing reported a pickup in new Covid infections among arrivals for the Winter Olympics. China, which put a city of 4 million people into lockdown, has no plans to adjust its zero-Covid policy for the time being, a top epidemiologist said.

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Hong Kong is considering further tightening pandemic measures, according to a local report, as cases jumped to a record level with more than 300 locally transmitted infections over two straight days. Australia plans to open its borders to international tourists as soon as possible, a government minister said.

Canada’s capital Ottawa declared a state of emergency Sunday as police struggled to rein in ongoing protests largely among truckers against vaccine mandates.