the population of people who can get boosters. can they be delivered together, is there any danger of that? >> most people in the field, brian, think it's safe to give the two shots to give in proximity to one another. certainly, i'm of that belief as well, and i think that's going to be what's recommended. >> and finally, as a pediatrician, watching the mask debates going on around the country, the cdc study in arizona, that it covid outbreak was three and a half times greater at a school where kids aren't required to wear masks. i am certain you are undergoing a certain amount of frustration as an observer. >> you know, it's absolutely mind-boggling that there are people putting up a fight against masking children, who