We don't usually call a disease that can easily evolve to pneumonie "a cold". And your focus on the supposedly low lethality is misplaced. Way more people need a stay in an hospital (sometimes short). This disease has the power to double (or even worse) the mortality rate of industrialized country during months or even years.
That some people are even asymptomatic is not even a particularly good news IMO. It will just spread more because of that...
That some people are even asymptomatic is not even a particularly good news IMO. It will just spread more because of that...