The COVID-19 virus could potentially have escaped from a laboratory, one of the most senior health officials in the U.S. conceded on Wednesday, as House Republicans published their own report claiming there is 'circumstantial evidence' that the virus originated in a Wuhan facility. The U.S. government has been at pains to downplay speculation that the virus was the result of an accident in China - although they are calling on Beijing to be more transparent about their role. They insist that it is far more likely that COVID-19 originated with animals, and spread naturally to humans. Critics of the Biden...