ian lipkin, thank you for your time today. greatly appreciate it. >> i appreciate your support. >>> for more on the coronavirus, tune in to cnbc's special report, "outbreak: coronavirus" tonight at 7:00 p.m. and here's what's ahead. >>> coming up, the stock market seems to be waving off any fears of a coronavirus impact. but it continues to be a big subject during earnings calls. are investors underestimating the fallout? >>> plus the name that some are saying is the market's indispensable all-purpose stock. and could tesla be a good acquisition for google ♪ limu emu & doug and now for their service to the community, we present limu emu & doug with this key to the city. [ applause ] it's an honor to tell you that liberty mutual customizes your car insurance so you only pay for what you need. and now we need to get back to work. [ applause and band playing ] only pay for what you need. ♪ liberty. liberty. liberty. liberty. ♪ >>> welcome back to "the exchange." since the initial shock of the coronavirus outbreak, the major avera

ian lipkin.ill notice he is on skype because he is in a self imposed quarantine after he just got back from china, where i understand you were working with officials they are and information back to your colleagues to the cdc and nih. let's start there. what's the breaking news that you shared with your colleagues? >> i'm sorry, i'm having trouble with the audio feed, is there a question? >> yes, can you hear me now? >> barely. >> i'm curious what you have shared with your colleagues at the nih and cdc after returning from china. >> well an assessment of what's happening on the ground they are, the needs of better diagnostic tests, vaccines, masks and other forms of support so the outbreak can be contain contained. >> harris: how contagious is this, for example on that ship with all those people, the cruise ship, the diamond princess i believe it's called, correct me if i'm wrong on that. it's just off the coast of japan. can it get into -- because some reports say it's airborne and it gets into

ian lipkin. director for center of infectious and immunity at columbia university. dr.imposed quarantine after visiting china. are you more concerned now than what we first spoke with you? >> my concerns at that point, primarily, i was being asked about my person small health. i felt well. i will still do. so i didn't have any concerns. i do have concerns for the world and certainly have concerns for the economic consequences and social consequences of this outbreak. different question. melissa: absolutely. so what is your, i mean what is your assertion what is going on right now? do you think that it is spreading more rapidly than you thought it was? is it, is it more dangerous than you thought it was going to be? how is your feel about the disease itself changed as a virus? >> it hasn't really changed. it was a new virus at this point. it's still one now. it was highly infectious. i think everybody has come to that conclusion as well. and it's spreading now with asymptomatic, from asymptomatic carriers and people with very mild disease to others who are susceptible. i

. >> thank you very much, ian lipkin from columbia university. >>> senator elizabeth warren is busy ontake a few minutes to join me live. we'll talk to her about this make or break moment in her campaign, and tomorrow i'll urge you to watch msnbc's new original series "what's eating america" with chef andrew zimmern. that begins at 9 eastern time right here on msnbc. [♪] looking to repair dry, damaged hair without weighing it down? try pantene daily moisture renewal conditioner. its color-safe formula uses smart conditioners to micro-target damage helping to repair hair without weighing it down. try pantene. ♪ ♪ everything your trip needs, for everyone you love. expedia. ♪ ♪ ♪ >>> welcome back, i'm david guerra. it is early voting day in nevada, and senator elizabeth warren is standing by. she's on the campaign trail in las vegas. senator, thank you very much for taking the time out of a busy day to talk with me and let me ask you, first of all, i was reading the fund-raising email you sent out on wednesday after the primary in new hampshire, and you said last night didn't go the way w

that they need diagnostic tests but in china there's reports of shortages i spoke with ian subpoena duces tecum lipkinne lab was running 5,000 tests a day. in addition to the sheer volume one issue is the sensitivity of the test and uncertainty if someone tests negative if that's due to them not having the virus or due to the test not picking it up. the cdc plans to submit an emergency use authorization to the fda to allow public health labs across the u.s. to use it's tests so samples don't need to go through the agency in atlanta. we also heard from several companies in the space but they're developing diagnostic tools and those tests but get the emergency use authorization to be used here as well. work is moving quickly on therapudics and vaccines and the patient improved though experts say that's not enough data to conclude that the drug works and we'll expect to hear more on the earnings call this amp. >> it's already being tested. >> yes, so it was used on a compassionate basis and this was published in the new england journal of medicine over the weekend and they're starting a trial in china as