In theory viruses mutate to become more lethal and kill most of their hosts also making them less contagious or become less lethal and more contagious .In reality no virus or bacteria wiped out whole humanity even famous black plague.Fact is that this virus won't wipe humanity.It will cause more trouble ,collapses of societies some of them will be rebuild .Let's see what happens in one year. I will return to this comment on October 18 year 2021