Look at real world data. The rate for Covid cases is 5X higher for the unvaccinated vs. vaccinated and the death rate is 13X higher for unvaccinated. https://www.nytimes.com/interactive/2021/us/covid-cases.html#:~:text=and%20death%20trends.-,Rates%20for%20vaccinated%20and%20unvaccinated,-Data%20from%20the Rates for vaccinated and unvaccinated