
A scientists with close ties to China and the U.S. government is now saying that risky experiments he proposed—which some experts believe could have led to the creation of SARS-CoV-2—may have been done, deviating from earlier statements.
Another scientist involved in the proposal also says he doesn’t know if the work was done.
“To the very best of my knowledge ... the work hasn’t been done,” Peter Daszak, president of the EcoHealth Alliance, told a congressional panel this week.