targeted by the antibody response and by our response to vaccines, so that s very, very important because it looks like it has the potential to massively or at least partially lead to a reduction in vaccine effectiveness. to some extent that can be overridden by very high antibody levels, the sort of antibody levels, the sort of antibody levels, the sort of antibody levels you see with boosting, which i think is the reason booster shots have been brought forward to allow more people to have a more robust response to overrun the extent to which we don t know yet. overrun the extent to which we don t know et. :, . ., ., , ,:, know yet. how much data is there so far to io know yet. how much data is there so far to go on know yet. how much data is there so far to go on in know yet. how much data is there so far to go on in terms know yet. how much data is there so far to go on in terms of know yet. how much data is there so far to go on in terms of the - know yet. how much data is