how worried should we be at this point? >> at this point, listen definitely knot ne lly to the n health authorities putting it in perspective, there is one case in the united states a lot of suspected cases the word has gotten out to physicians they're starting to look at everybody. anybody with any symptoms and they've been near this area, they're going to start testing for them that's why you're seeing more of the cases. things that, two months ago, would have slipped through and it was just a cold, now they're looking at maybe it could be coronavirus. >> what is this going to look like going forward is it a matter of time before we see more cases pop up around the united states? >> you'll see a few more cases pop up here, only because that area is so heavily traveled. if it followed sars, what happened with sars, which is the epidemic in 2002 and '03, which is a coronavirus, it popped up and was gone quickly. >> china is criticized for not doing enough fast enough last time how...