Origins of the coronavirus

The debate over the origins of SARS-CoV-2 has been reignited with revelations that the United States Department of Energy has changed its opinion and now believes that the virus that caused the Covid-19 pandemic most likely leaked from a laboratory in Wuhan, China, and did not emerge organically. The department was previously undecided on this issue, according to a report in the Wall Street Journal, which also said that this assessment, apparently based on new evidence, was made with "low confidence". Then in a television interview on Tuesday, Christopher Wray, Director of the Federal Bureau of Investigation (FBI) said his…