with one dose in certain situations. the complications that we see are clustered around that second dose and they are this. they mirror the adult complication profile. about 10% of kids have a side effect in that age group 5-11. some have high grade fevers, about 6%, and there has been one death that was reported in the new england journal of medicine out of 136 kids with that myocarditis. one question of parents, if we get our kid vaccinated and the population vaccinated is it a certain level can, they finally take off the masks at school? yes, i do think kids should be liberated, after they have either had covid or they have been vaccinated they need to live their lives and we re still talking about an infection that for healthy kids has a case fatality rate similar to influenza. john: i want to ask you about breakthrough cases. there does seem to be a lot of them. is it just a function of more