It's estimated that ~50 years passed since the time bat virus (RaTG13) and SARS-CoV2 diverged. So it's certainly not a recent transmission, which is why an int

It's estimated that ~50 years passed since the time bat virus (RaTG13) and SARS-CoV2 diverged. So it's certainly not a recent transmission, which is why an intermediate host is proposed, which could also be bat, or some other host species. Coronaviruses are endemic in that region of China.