A Chinese health official says his country faces three waves of Covid infections this winter. / BBC News

Helen Branswell: Early flu season in the US may be peaking early. / STAT

Research shows doctors and their families are less likely to follow guidelines about medicine. / MIT News

Which countries performed best economically this year? Greece, Spain, Japan. / The Economist

Scientists are beginning to understand whether clouds are a friend or enemy of climate change. / The Washington Post

A study uses Twitter to analyze the political partisanship of 1632 different brands. / Social Listening

Related: A poll of millions tells Elon Musk to step down from Twitter. Natural, the poll was his. / The Guardian

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