so huge and quick that it is overwhelming health systems around the world. >> do you disagree with the head of the w.h.o. especially given omicron is overwhelming american hospitals right now much more than it has european hospitals? >> what we're seeing is not so much a wave as a flash flood. omicron is different because it is so stunningly infectious. i've never seen a virus this infectious. we're seeing positivity rates of 20%, 30%. we're seeing what are called epidemicic curves or the number of cases per day that are straight up huge numbers of cases and with that the real risk of overwhelming hospitals. that is why it remains really important that we do everything possible to blunt transmission so we don't have overwhelmed health care systems. that doesn't mean that omicron isn't very different. we don't know for sure but everything we're seeing so far suggests that it is not just a little bit but substantially