Check out Figure 1 of your cite [3]. Of course mutation rate is high compared to a prokaryote. The point is that coronaviruses (as proven by Fig. 1 of [3]) do

Check out Figure 1 of your cite [3]. Of course mutation rate is high compared to a prokaryote. The point is that coronaviruses (as proven by Fig. 1 of [3]) do not have a high mutation rate for an RNA virus. Indeed, the mutation rate is much lower than influenza.