It lessens your chance of passing it because you are less likely to get it. The figures vary on that but the least I have seen is you are 6 1/2 times less likely to get if you have been vaccinated with any of our three. I saw an article where they had that broken down by type. Moderna was the best, followed by Pfizer, and then the J&J. It also lessens your symptoms so that helps too. It's even better at keeping you out of the hospital.
and the morgue. If we could get universal uptake this would revert to something resembling a bad seasonal flu overall. We function normally during that.