Regulators are going to be looking for. >> well, the studies in israel did not really compare directly people who got boosted to those who did not. it compared people who got boosted to themselves. so how did they do before and after they were boosted? and that study design is kind of weak. you always want to do something in parallel and realtime, because then you really know that the exposures were the same. and the other thing that we don't really have yet from the israeli data is a full readout on the ultimate outcomes. because we saw from previous data, both in israel and here, that you ne...