cdc director roe shell saying she feels impending doom, due to the covid trajectory. what is that to verdicty? which numbers are causing her that alarm? >> first of all, in more than half in the states in the u.s. says there is an increasing cases. and more alarmingly, several states have more than 50% increase in cases in the last two weeks. so from michigan, for example, 133% increase in the last two weeks. and many states in the northeast, like connecticut, more than 60% increase in the last two weeks. so, again, it's not just an increase of 8%. you know, it's profound increase. >> okay. that is concerning. but here in san francisco we are still doing well locally, right? i was looking at the 14 day average of new cases. down 12% in hospitalizations. down 39%. should we take that to mean okay, as long as we keep doing what we are doing we should be okay? >> california is one of the states where opening has been readily gradual. and in many states that is not the case. texas, florida, et cetera pip think we're actually doing kind of a good thing. but i would also sa