In May, US president Joe Biden ordered a 90-day probe into whether the Covid-19 virus came from a lab accident or emerged from human contact with an infected animal.
Until then, the “Wuhan lab leak” theory had been dismissed by most scientists as a fringe conspiracy theory.
But now as the report is due to be released, China has gone on the offensive. In the past few weeks, Chinese sources have been amplifying a baseless claim that Covid-19 was made in the US.
