I would say that viruses, like a lot of other aspects of life, are chaotic and capricious both in their evolution and their affects on an individual humans (COV

I would say that viruses, like a lot of other aspects of life, are chaotic and capricious both in their evolution and their affects on an individual humans (COVID really drove that home for me in that it killed some and was asymptotically carried by others). But we demand explanations where there are none, and so we create them ourselves or accept them from others.