A Chinese government campaign to cast doubt on the origin of the coronavirus pandemic is fuelling a row with the United States, with a Beijing official promoting conspiracy theories and Washington calling it the “Wuhan virus”. The spat comes as China tries to deflect blame for the contagion and reframe itself as a country that took decisive steps to buy the world time by placing huge swathes of its population under quarantine. With cases falling in China and soaring abroad, Beijing is now rejecting the widely held assessment that the city of Wuhan is the birthplace of the outbreak.
