i assume you're hoping that gets cleared up a little today. >> yeah. as we talked in the past, chuck, i thought the two mrna vaccines were a three dose vaccine and the j&j were two dose vaccine. part of the problem wasn't messaged from the very beginning. and so now we're playing catchup on that. and to add to the confusion, we don't have a lot of data in front of us to know the extent to which immunity is declining. >> why is that, why do we have this data issue. >> all the data is coming out of israel and the uk. that's why we have no information on moderna or j&j vaccine, those aren't used in the uk or israel. this is another time where the cdc unfortunately, hate to say this, come up small. we just have not had that adequate presentation of data. we should have this in real time every day knowing break through