Throughout history when viruses are studied, they mutate to become more contagious. However, in doing so they become less deadly. Along with vaccines this is likely the reason hospitalizations are in a free fall. Getting Covid is not a big deal if all you get is a little cold. Every single person posting here has had a coronavirus in their body before (common cold) Two colleagues at my work just got it and both said it wasn't that bad, not even a fever.