Its been thought of, but I think these kinds of things aren't considered acceptable today. I do wonder if there is some variant of Coronavirus that has been in

Its been thought of, but I think these kinds of things aren't considered acceptable today. I do wonder if there is some variant of Coronavirus that has been in circulation for a while that causes some immunity, though. There are some strange things in the data, IMO, but there are lots of other possible explanations too.