This can't be true. Or, if it was, it would be something very, very odd. Why? Because we already have 4 Corona-Viruses endemic causing normal colds. Where did

This can't be true. Or, if it was, it would be something very, very odd. Why? Because we already have 4 Corona-Viruses endemic causing normal colds. Where did they come from? Probably from animals. When? We don't know exactly, but there is a good chance that the 1889-90 pandemic was caused by a corona virus [1]. Pandemics turn into endemics. Why should it be different this time? [1] https://en.wikipedia.org/wiki/1889–1890_pandemic https://en.wikipedia.org/wiki/1889–1890_pandemic