Bidens bounce. The new democratic frontrunner picks up another big endorsement after rival Mike Bloomberg calls it quits. Will Elizabeth Warren leave the race next . Urgent search for survivors. Rescue crews on the ground right now after an ef3 and ef4 ripped through tennessee. How theyre using infrared technology to find those still missing. Royal return. Meghan now back in the uk for the First Time Since the royal exit preparing to reunite with harry and the queen. Abc news exclusive. The couple risking it all over the mouth of hell. Nik wallendas wife hanging by her teeth over the active masaya volcano. Then nik making history, he joins us live. And taking on the odds. If we take it just one day at a time with a positive attitude, anything is possible. Alex trebek opening up about facing pancreatic cancer on the oneyear mark of his diagnosis. How his wife jean, his faith, and all of you are keeping alex strong. And good morning, america. Hope you are all well this thursday morning. We want to get right to the coronavirus crisis. Take a live look at the cruise ship terminal in San Francisco where that boat is expected to dock later this afternoon after a former passenger died with coronavirus. The number of cases worldwide has now climbed past 95,000. The u. N. Is reporting that nearly 300 million kids are missing school because of the outbreak. Here in the u. S. Were seeing schools temporarily close on both coasts. There are now at least 161 confirmed cases of coronavirus here in the u. S. 11 people have died. This afternoon the senate will vote on an 8. 3 billion emergency funding bill to help battle the spread. Dr. Ashton and her team are here to answer your questions. There she is right now. But whit johnson starts us off outside the manhattan hospital where one of the victims is being treated. Good morning, whit. Reporter george, good morning to you. What were seeing here is the extraordinary Ripple Effect associated with this virus. This one patient at this New York Hospital impacting hundreds of other people. Health officials are now scrambling to get a grip on multiple outbreaks from coast to coast. This morning, california declaring a state of emergency following the states first death in the coronavirus outbreak. Health officials revealing an elderly patient died after being exposed during a cruise last month from San Francisco to mexico. That ship, the grand princess, is now on another voyage carrying new passengers along with some of the same guests from the february cruise. Overnight californias governor confirming those 62 passengers are being isolated in their cabins. Some complaining of flulike symptoms. Later today Officials Say the coast guard will be flying testing kits to the ship. This ship will not come on shore until we appropriately assess the passengers. They just told us because of the virus that we were going back to San Francisco and because of the scare, that events were going to be shut down, but Everything Else is business as usual. Reporter across the country the number of americans infected climbing to more than 161. At least 11 deaths. But Vice President mike pence attempting to reduce the nations growing fears. If you are a healthy american, the risk of contracting the coronavirus remains low. Reporter Los Angeles County declaring a local emergency now reporting six new cases including a Health Care Worker who was screening passengers at l. A. X. Two new cases announced in new york city this morning bringing the states total to 13. 1,000 people ordered into selfquarantine. There are going to be hundreds. Reporter most connected to a single patient. A 50yearold man now hospitalized in critical but stable condition who was a regular commuter on the train to Grand Central station. His immediate family now infected along with another family he came into contact with. In Washington State families who have loved ones in the Life Care Center nursing home where six residents have died from covid19 are scared and angry. We try and visit as much as we can. Reporter Kaylee Hartung sitting down with Kevin Connolly whose fatherinlaw is a patient. How is jerry describing whats going on inside that facility right now . Hes not. Theres confusion. Theres a complete lack of information to the families and to the residents. Reporter also in washington, king county is setting up a temporary quarantine village with modular homes in the middle of a neighborhood. Thats some scary stuff for me. This is close to home. So, yes, i have a concern about it. Reporter overnight facebook announcing it will be closing its Seattle Office and recommending all employees work from home. Amazon echoing similar statements telling employees in seattle to work from home through the end of the month. Were also seeing swift reaction in the Airline Industry. Major carriers are reducing their flight schedules as demand drops and the International Air transport association now says the coronavirus could result in 113 billion in industry losses. Robin . Okay, whit. Thousands of new cases of coronavirus have been reported overseas in the last 24 hours. Italy as we know hit especially hard by the outbreak. Now that country is on virtual lockdown. James longman just returned from italy and has more. Good morning, james. Reporter good morning, robin. This is a major stepup in italy. All schools are closed across the country until march 15th. These are the most drastic measures to contain the virus in europe. There are now School Closures of some kind in 22 countries across three continents. Warnings that the United States may take similar precautions and were now talking about Something Like 300 Million Students around the world possibly facing disruption. The United Nations is warning about an unparalleled scale and speed of educational disruption. Italy is also banning fans from attending sporting events. Theyll still go on, just to empty stadiums. More than 3,000 cases have been confirmed in italy with more than 100 deaths. In paris the louvre is back open but with new guidelines to make museum staff feel safer. Theyll no longer have to physically restrain large crowds we often at the famous mona lisa. There will be frequent breaks for hand washing. Even though there is no evidence the bug can travel on bank notes, employees will only take credit cards as a farm of payment. There are so many changes for so many people because of all this. Amy . Thank you. So many questions. So lets bring in dr. Jennifer ashton and, jen, scientists in china are now saying theyve identified a second strain of this virus. What does that mean . So it was a very small report coming out of china that identified two strains of this coronavirus. I want to you think of this just as we know there are multiple strains of the influenza virus. It does not mean that theres been any mutation or change. It just means one is circulating more commonly than the other. One appears to be more highly transmissible but doesnt mean more severe and we still dont know what is circulating in the u. S. Speaking of the severity the world health organization, as you know, says the mortality rate from the coronavirus is now at 3. 4 and thats higher than the initial 2 estimate. What do you make of all that . Weve said this from the beginning. I caution people not to hang their hat on any given number. This is a dynamic and evolving situation. Were collecting data by the hour and that mortality rate depends on the denominator, on how many people are truly infected and that number is still unknown. When were hearing about the deaths we often hear they had an underlying medical condition. What types of conditions are we talking about . Again, the published case reports for this strain and the deaths associated with coronavirus is just still coming out but in general were talking about things like diabetes, high blood pressure, heart disease, some form of cancer, anything that weakens your immune system, chronic medical conditions and there are a lot of People Living with chronic medical conditions. Certainly are. Do we know how long the virus lives on surfaces . Do we know that yet . Thats probably the most popular question ive been getting in the last 24 hours. Thats unknown. People are looking at that but a recent study showed in hospital rooms 87 of room surfaces and 60 of bathroom surfaces contain this virus before cleaning, and after cleaning and disinfection those rates went way, way down. Thats why you want to clean those hot spots. Very important information. Still a lot of questions out there and youre here to answer them. You can send in your questions for dr. Jen on facebook, twitter and instagram, all morning with the askgma. She and her team will answer some live actually in our next half hour. George . Okay, amy, thanks. The race for the white house and new momentum for joe biden after his massive comeback on super tuesday. So far hes won ten states to three for Bernie Sanders who is also leading in california. But biden now has the endorsement of Mike Bloomberg and his machine and Elizabeth Warren expected to leave the race next. Mary bruce is tracking all the latest. Good morning, mary. Good morning, george. Joe biden continues to rack up the endorsements and it is clear he has the momentum in this race. The question now, can he keep it going . This morning, joe biden is looking to build on his super tuesday comeback. We welcome all those who want to join us. All those who want to join us and to build a movement. Reporter biden wednesday picking up another key endorsement with the exit of michael bloomberg. Im glad to say i endorse joe biden. Reporter bloomberg is vowing his support and big checkbook to help biden take down President Trump. Our campaign for a better america, a stronger america, a more just america, a more equal america and a more United America continues. And together we will get it done. Reporter biden is fending off accusations that his backers are ganging up on Bernie Sanders. Is the establishment trying to beat Bernie Sanders, mr. Vice president . The establishment are all those hard working middle class people and those africanamericans, those single women in suburbia. Theyre the establishment. Reporter with the democratic establishment consolidating behind biden, sanders released this glowing ad featuring president barack obama heaping praise on sanders in what could easily be confused for an endorsement. But obama has yet to make a move. They want honest leadership who cares about them. They want somebody who will fight for them and they will find it in bernie. Thats right. Feel the bern. Reporter this morning all eyes on Elizabeth Warren after her disappointing super tuesday. Questions growing about whether her struggling campaign can survive. She has run a strong campaign. She will make her own decision in her own time. Reporter warrens team this morning says shes taking time to reassess. Now, Bernie Sanders, of course, hoping to pick up warrens endorsement as he tries to consolidate progressive voters. We still dont know how Elizabeth Warren will get out, when she will get out and who she will endorse. Just because Bernie Sanders and Elizabeth Warren are both progressive it is not automatic that her supporters will back bernie. We have talked to some warrens supporters who see joe bidens momentum. They see his strength with africanamerican voters and tell us theyd back biden instead. Mary bruce, thanks very much. Chief Justice John Roberts issued a rare rebuke of Chuck Schumer for saying President Trumps two nominees for the Supreme Court will, quote, pay the price if they vote against abortion rights in a case now before them. Roberts called schumers comments dangerous, a point echoed by the president and his supporters but democrats called out the chief justice for failing to issue a similar rebuke when President Trump singled out Ruth Bader Ginsburg and Sonia Sotomayor for criticism. Robin . Were going to turn now to the search for survivors after those deadly tornados hit tennessee. We know one of them was an ef4 with winds reaching 175 miles per hour. Victor oquendo is in Putnam County, tennessee, with much more on all this. Good morning, victor. Reporter good morning, robin. They took the brunt of that ef4 right here. Homes were blown away, shredded, reduced to piles of debris and rubble. Of the 25 people who died across middle tennessee, 18 of them were right here in Putnam County and as you take a look from above, youll understand why. This neighborhood was decimated. 360degree devastation. There is nothing left and there are still people missing. This morning, an urgent search for the missing after at least two devastating tornadoes in tennessee claimed the lives of at least 25 people. Its horrifying. Reporter these exclusive new thermal images from a drone police are using to help find those who might still be trapped in the rubble. Ive done a lot of these since hurricane katrina, hurricanes and tornadoes, and this is probably one of the worst scenes ive seen. Grandson, youngest, my soninlaw and their babys babysitter. Im so sorry. Both my nephews lost their parents in one night, one storm killed them both. Reporter Lamar Redmond losing his sister and brotherinlaw, kathy and keith selby. This is the front porch and beyond that porch was the home itself. Its gone. Its completely gone. Reporter the youngest victim just 2 years old. Sawyer kimberland died along with his parents josh and erin but amid is tragedy, harrowing stories of survival. If we hadnt had woken up wed be gone. Theres no way we would be here. I woke my wife up and we just took off running down to the basement. Reporter 73yearold jean gregorys husband frank using himself as a human shield to protect her. So he came in and he drug me off the bed and threw me on the floor and got on top of me and we rode it out. Reporter that couple somehow lucky enough to walk away without a scratch. Search crews will be out again later this morning. The way one neighbor put it, life as they knew it here is gone. Robin . All right, victor. The region is facing another Severe Weather threat today and rob back from tennessee has the latest. Good morning, rob. Good morning, robin. Luckily what came through yesterday wasnt a repeat of what went through tennessee but still damage across parts of mississippi. This is canton, mississippi, and theyre sending a survey team to see if this was a tornado. Certainly looks like winds Strong Enough for that. Heres a low causing all the headache. Motoring down i10 and the Severe Weather threat will be from tallahassee up through southern georgia. Then later on today jacksonville through savannah. Damaging winds, a few tornadoes possible and large hail before it moves off on friday. There is a flood component to this. Well talk more about that in a bit. Amy, over to you. Rob, thank you very much. Now to alex trebeks emotional and inspiring message one year after his pancreatic cancer diagnosis. Hes talking about what is helping him move forward as he keeps beating those odds. Janai norman is here with more on that. Good morning, janai. Amy, good morning. Alex trebek proudly announcing hes happy to have reached a oneyear mark after his diagnosis offering so much inspiration as he said other cancer survivors have inspired him throughout this fight. Here he is, the host of jeopardy, alex trebek. Reporter one year after telling the world he was fighting for his life, alex trebek is sharing an update on his battle with stage 4 pancreatic cancer. Now, id be lying if i said the journey had been an easy one. There were some good days, but a lot of not so good days. Reporter the 79yearold television staple beating the dire oneyear survival odds of just 18 revealing how difficult his chemo treatments have been. There were moments of great pain and sudden massive attacks of Great Depression that made me wonder if it really was worth fighting on. But i brushed that aside quickly because that would have been a massive betrayal, a betrayal of my wife and soulmate jean who has given her all to help me survive. It would have been a betrayal of other Cancer Patients who have looked to me as an inspiration and a cheerleader of sorts of the value of living and hope. It would certainly have been a betrayal of my faith in god and the millions of prayers that had been said on my behalf. Reporter but despite the struggle, the emmy winning host hasnt missed a single day of jeopardy, a job hes performed for more than three decades. Now delivering this poignant message. You know something, if i no, if we because so many of us are involved in this same situation, if we take it just one day at a time with a positive attitude, anything is possible. And trebek s