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Paradox said..
I get that people are worried about variants, however the natural progression of viruses is to become milder as they mutate more. This has been proven over and over again and follows logical evoloution theory. They believe the cold and flu viruses that go around now are variants of the spanish and black death viruses. Delta was less dangerous than Alpha and Omicron is very mild in comparison. Transmissability is up, but severity is way down.
I used to think this too, that viruses evolve into milder forms, but it seems that its not true. They do not always do this. What worries me is that treatment, including vaccination, upsets this natural progression.
Purely from a scientific point of view, if patients are treated, it may be that a worse variant can become the dominant strain. If you let the virus kill everyone that it can, then it will most likely evolve into a mild form as it kills off its hosts for the aggressive versions and only leaves the milder versions to flourish in the population.