There's probably hundreds or even thousands of mutations of this coronavirus. It's kinda what it does. But they're basically meaningless, although it is usefu

There's probably hundreds or even thousands of mutations of this coronavirus. It's kinda what it does. But they're basically meaningless, although it is useful for tracking how it spreads - kinda like a family tree. See: https://nextstrain.org/ncov/global https://nextstrain.org/ncov/global There is pretty much no evidence of what common people would call "multiple strains" - as in, immunity doesn't transfer, different infection characteristics, etc. The paper you posted was debunked pretty much instantly by people that know what they're talking about. There's a lot of junk papers out there written by people on coronavirus that aren't even in the field.