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house call." joining us is dr. david samadi, chairman and professor of radiology and chief of robotic surgery. >> and mark siegel, nyu's lang medical center and author of "the secret code of sickness and health." >> we want to start here, so the centers for disease control stepping up its response to the growing ela

house call." joining us is dr. david samadi, chairman and professor of radiology and chief of robotic surgery. >> and mark siegel, nyu's lang medical center and author of "the secret code of sickness and health." >> we want to start here, so the centers for disease control stepping up its response to the growing ebola outbreak, they are issuing a level one activation alert, a rating reserved for the most serious public health emergencies and dr. samadi i start with you and ask you why. >> number one, alert is actually the highest alert you can get. this is a public health crisis, and the reason is the numbers are increasing, we're now going from 1,400 infected, about 932 are dead in that. and also this ebola is expanding to nigeria now and the government is also calling it an emergency. level one alert is what we saw after katrina. they have called ill with h 1 n 1rks and what that means is they're taking their agents from the cdc who are working on other projects. they are sendi ining agents abo0 of them to control the disease over there. you should be thinking about this, just like we have global economy, if some bank in

house. for cleaner, healthier mouths go beyond brushing alone. listerine®. power to your mouth ™. ♪ [ cheers and applause ] >> jimmy: welcome back. i'm here with artie langest them in a game of "catchphrase." but first, i need a partner. please welcome one of my favorite chefs and food network stars, our pal, giada de laurentiis. [ cheers and applause ] ♪ >> jimmy: all right. very good. okay, this is -- yes. please. higgins, switch places with artie. artie, you stand over here. [ laughter ] now look, here's the deal -- hey, artie, that's enough. now, look, here's how the game works -- >> artie: legally you have to have someone between me and giada. >> jimmy: yeah, part of her contract. artie, you're going to start the game by pressing start on this buzzer and drawing a clue from the top of the pile. get your teammate to guess the clue as quickly as possible and then hand the buzzer off to the person on your right. okay? you can make any physical gesture, say anything, except "what did i have for breakfast this morning?" >> stop! >> jimmy: which you can't say any word -- i guess oatmeal. you can't say any word in the actual clue. if you're holding the buzz