Rather ironic that the research took place in Wuhan where the outbreak occurred.>>>>>>>>>>>>>>
See:
http://www.freerepublic.com/focus/bloggers/3810297/posts?page=79#79
We have known since the beginning of the coronavirus crisis that there was a zoomorphic transfer of the virus to humans. And this post link above shows graphically how it happened.
Coronavirus also lives a long time in fecal material, as they have discovered over the last week.
The photo is from Wuhan. All it takes is for one person to eat an under-cooked dish of bat soup.