Is COVID19 Endemic?
https://www.sciencealert.com/the-new-coronavirus-could-have-been-percolating-innocently-in-humans-for-years It may have come from a far less harmful virus that has been around in us for a while. Sort of like flu. Some who had it may have had a mild flu or just a cough, then that was it. But as it was transmitted between people it would have mutated. Viruses mutate … Read more