But the team of foreign experts did agree the virus likely jumped from bats to an unknown animal species, before being transmitted to humans.
It also concluded that it was “extremely unlikely” that the virus came from a high-security lab in the central city of Wuhan, appearing to quash a number of theories linking the city’s virology institute to the outbreak.
Huge global pressure and scrutiny trailed the team during its probe in China, which mission member Peter Daszak described as working “flat out under the most politically charged environment possible.”
After a mission that lasted nearly a month, here are five things we still don’t know about the virus’ origin:
The animal source Experts said tests were done on tens of thousands