There are a lot of coronaviruses and all tend to become mild overtime. In 1800, Influenza killed thousands of people daily. This endured through the 19th centur

There are a lot of coronaviruses and all tend to become mild overtime. In 1800, Influenza killed thousands of people daily. This endured through the 19th century, Coronaviruses also have plagued humanity in the same way, for instance look up “bovine coronavirus”