There are two sides to the coin: susceptibility to infection, and infectiousness after infection. Given that vaccination reduces disease severity, it seems lik

There are two sides to the coin: susceptibility to infection, and infectiousness after infection. Given that vaccination reduces disease severity, it seems likely that vaccination decreases your viral load after infection. Therefore, though vaccination may not help much in preventing omicron infection, it will nevertheless reduce both disease severity and your infectiousness.