it would become a minor variant. i wouldn't be looking for ramping up on new vaccines or boosters to target this variant until we have more data. laura: but they are doing that. a number of vaccine manufacturers are on the hunt for this variant but won't it be the case this variant, we've moved on to another variant by the time the next one comes out? seems a constant game of musical chairs with the vaccine. >> we have 99% delta. current vaccines are not keyed against delta. they are having a terrible time in terms of getting control, another delta peak, it is premature to jump on this variant until we see, the initial read is low transmissibility. this arose among those were vaccinated, travelers crossing so it is clear this variant is an evolutionary mistake that arose within the vaccinated. laura: the bottom line buttoning