"Russian Roulette is a one-in-six chance. I think the odds of suffering any ill effects from a virus (any virus) are quite a bit larger."
And then there is the group of people who have SARS-CoV-2 antibodies that never knew that they had the virus.
I think that's the case with any pathogen. The first-line, innate, immune system deals with it before it can get established and show symptoms, while behind the scenes the adaptive immune system is building antibodies. The key is a good, strong, first-line immune system, which most people in the Western world have, for a variety of reasons related to the advanced civilization which people seem hell-bent on destroying.