gronvall: you are not wrong.hink we are focusing on the really rare case and not what usually happens. it may help to just describe a little bit about what the vaccine actually does. it is really like a training program for your immune system, so it knows what to do if you have an exposure. for all of these people that have had breakthrough infections, have been exposed to the virus, the virus gets into their body, and if they are vaccinated, their immune system pounces on it, and the whole goal is to keep the virus from making a gazillion copies of itself. for some people it takes longer. some people do better than others. most people it is just going on in the background and they have no idea their immune system is going to war. for some people, they will have a little bit more of an effect than others. getting your immune system, the education that is needed, so that it is ready, that is the big goal. matt: i always needed extra time after class. is it possible i need a booster? i got my second vaccine at the