The relevant differences, to my view, are the ones that allowed a pandemic coronavirus to jump from the Chinese bat population to the global human population ov

The relevant differences, to my view, are the ones that allowed a pandemic coronavirus to jump from the Chinese bat population to the global human population over the course of just a few months. The specific details are a question for experts in the field, but something clearly went wrong here and it's important for the sake of the entire world to make sure it doesn't go wrong again.