reinfect in the severe so that's about the kind of way this virus is now if you're protecting the hohner just like fluid every winter that's the main weapon and they go then damage it's a mild disease in the vast majority of people so so one prediction we definitely have no beginning every winter will be a set of vaccine for coping one thing that will join the flu vaccine protocol you know and then the 2nd thing is it will box and i children and then they're protected as a movement a lot of folks nothing good things to do well because that becomes like an illness that's protected well in childhood beyond you know and those are the things that we're going to move towards i think so there i thought every winter there may be a new 2 or 3 strengths mostly when i realize that the current winter flu 4 separate strains in the flu vaccine so we may end up with 3 or 4 striking thing in the vaccine every winter and not only workable i think but that's a reasonable enough prospect and certainly it means that we have a way to carry on like we used to with an endemic part professor look at them from