>> remember the dow and wall street, these are just snapshots, the stock market just snapshots in time. we often see big plummets only to see massive rises again a couple days later. hold your breath on that. we'll get to more of the economic fallout from this in a moment. i want to focus on what we know about this variant. doctor, josh was mentioning science and data and facts. that's what the white house says they're going to be relying on. what co-we know concretely about this variant so far? >> well, this is interesting and potentially alaw enforcementing, but not yet alarming situation. there are several things we need to watch about the virus. it's a variant with its own number. it doesn't yet have a name. the world health organization will help determine that. the things we need to watch are number one, will this be more