Lots of articles out there describing mutations of coronavirus, nothing saying coronavirus is a mutation of H1N1.
“But because swine flu was simply a subtype of the flu virus, epidemiologists were able to create a vaccine relatively quickly, by October of that year, Cohen said. This coronavirus, however, is a new type of virus, and scientists have much less information about such things as immunity and how long neutralizing antibodies last, for example, according to Cohen.”
Read more here: https://www.idahostatesman.com/opinion/from-the-opinion-editor/article243012571.html#storylink=cpy
https://www.uwmedicine.org/bios/seth-cohen
Anyways, it doesn’t matter where it came from, it’s not killing at the rate of the Spanish flu.