Researchers say the virus may have been circulating in the area for weeks undetected, and more cases are likely. There are now at least 100 cases of coronavirus in 14 states around the u. S. , and moments ago Vice President pence said the first treatments for coronavirus could be available in the summer. Theres a lot to get to tonight, and we have teams covering all angles. Jonathan vigliotti leads us off in kirkland, washington. Reporter king county, washington, is now the epicenter of the nations coronavirus outbreak. Tigateand ma ted to a new stage outbreak. Reporter county executive dow constantine. We are in final steps to purchase a hotel in which we can place patients who are in need of isolation. Reporter of the six dead across the state, four are from the Life Care Center in kirkland and are among fi and are among five that passed away at nearby Evergreen Health center. The sixth person in the state who succumbed to the illness lived in snohomish county. All were over the age of 40. How they were exposed to virus remains unknown. Theyre being held hostage in a petri dish. Reporter carmen grays mother susan haley is under quarantine at the facility. You asked for your mother to be tested for coronavirus. What did they tell you . That she did not meet the criteria at this time. Were trying to find out what it is theyre doing for her. Reporter how do you hold it together . Im not holding it together too well. This is beyond frustrating. Reporter tonight fear across reporter tonight fear across america is growing with cases confirmed in at least 14 states, including in new york where a Healthcare Worker who returned fom iran with the virus is now quarantined in her manhattan home. And overseas, as the number of new cases reported in china tside of the country continue to expand. Students in milan are being taught virtually with the number of coronavirus cases in italy francis caused concern, stopping to cough during sunday prayers. Vatican Officials Say hes only suffering from a bad cold. In paris, tourists have been shut out of the louvre. The art inside the worlds most visited museum now off limits. But back in washington tonight, theres concern the death toll at this nursing facility will only grow. And state health Officials Say resources are stretched thin and only the critically ill are being taken to the hospital. They believe there are many more oople out there with the virus kat dont know it, and warned this could be the tip of the iceberg. Norah. Odonnell all right, jonathan. Thank you. Today the north star mall in san antonio, texas, was closed for a deep cleaning after word that a woman who tested positive for the coronavirus visited over the weekend. Schools and hospitals all over the country are taking action, and meg oliver reports tonight on whether america is prepared. Reporter officials tried to calm fears today, urging ttlels, w jersey, now in we e pi disinfects four times a day. But youre in full preparation mode . Absolutely. Reporter in case a pandemic happens, youre ready . Absolutely. Reporter from cleaning to teaching remotely, superintendent Tracy Marinelli says theyre ready for the worst. Ever student has a portable device to take home in case of an emergency. If i hit this video chat, every student will show up on my page. Reporter some schools in at least five states closed today. But at the front lines are hospitals and nursing homes. These assisted living facilities, the nursing homes, you absolutely need to take proper precautions about who is being allowed in those fa. Eportee ople are stockpiling supplies, buying masks, hand ti and paper products. Retailers warning there may be a ilortage. When people are in a panic, they will buy as much of it in bulk. Reporter and now the National College players association, an athlete advocacy group, is calling on the n. C. A. A. To consider holding march madness games without fans. I talked to several superintendents across new jersey today. Many of them are sending out letters like this one, asking ingdents to stay home if theyre students to stay hom sick. But some admit they still dont have plans in place should the virus spread so widely schools are forced to close. Norah. Odonnell thats big news about march madness, too, meg. Thank you. Tonight the c. D. C. Recommends travelers avoid nonessential travel to china, iran, south korea, and italy. Many big carriers have suspended flights to those places, and were learning about new screening procedures for passengers entering here in the u. S. Kris van cleave is at Reagan National airport, and kris, how will this virus impact travel . Reporter well, airlines have already suspended flights to the hot spots, but theyre canceling other ones and say there could be more to come. Businesses like amazon and amogle are suspending Business Travel for tens of thousands of oheir employees. That means bookings are soft, airlines are worried. Some are telling employees to take unpaid leave and freezing take unpaid lea wages. British airways because of declining demand has canceled right around 200 flights so far for this month, including 12 to j. F. K. Norah, typically thats their most lucrative route. Odonnell kris, what about those potentially sick passengers from around the world . How are they being screened . Reporter were getting new details about that. Vice president mike pence says the way they want this system to work is they will be screened before they leave the country of origin. Then they will be screened agai. They are looking for signs of increased temperature or other signs of illness. If they show it, they could be taken to a hospital immediately upon returning to the u. S. Now, starting tonight, people who are returning from china or iran or have been in those countries in the last 14 days and are u. S. Citizens, they will be screened as they arrive at 11 u. S. Airports. Foreign nationals will not be allowed to enter the u. S. At all if they visited either country in the last two weeks. Similar Health Screenings are being implemented as we speak for south korea and italy. Vice president pence says they should be in place by the morning. Norah. Odonnell those are strict. All right, kris, thank you. Later this Week Congress is expected to take up a 68 billion in emergency spending to help fight the coronavirus. This as President Trump says travel restrictions and quarantines have helped contain its spread. Paula reid reports tonight from the white house. Reporter President Trump today challenged the leaders of Major Pharmaceutical Companies to see who could manufacture a Coronavirus Vaccine the fastest. Well seek to bring all effective treatments to market as soon as possible. Reporter the administration is also grappling with a shortage of test kits for the tirus. Cbs news has learned government officials discovered contamination in a c. D. C. Lab in atlanta where the first batch of test kits were developed. The department of health and Human Services is now mavestigating. In a statement, the f. D. A. Said the issue has been fixed and these tests have passed extensive Quality Control procedures. H. H. S. Says it now has enough kits to test 75,000 people and the administration loosened restrictions on state and private laboratories, developing their own diagnostic kits. Reporter the estimates were getting right now, by the end of thisk,ts will be able to be performed. Reporter President Trump is holding a Campaign Rally tonight in charlotte, north carolina. Na. S expected to draw about its expected to draw abo 13,000 supporters. Earlier today the president said that he believes it is safe to to hold an event like this, even amid this larger outbreak. Norah. Odonnell all right, paula, thank you. Worldwide the coronavirus death toll now tops 3,000. With nearly 90,000 cases. But even those numbers are nothing compared to what could happen in the months ahead. Today cbs news jim axelrod spoke with one of this countrys top experts from harvard on viruses who has a startling prediction. Reporter the number that i hink is grabbing a lot of people is this estimate, 40 to 70 of the worlds Adult Population could be infected. Accurate . That is a projection, so we will find out if its accurate as things go on. Reporter adding to the alarm, the virus can spread so rapidly people can transmit it before they know theyre infected. So what would that mean in the u. S. Where there are more than an0 million adults . 200 million 200 million adults, 40 getting impacted. That is a lot of people. Reporter 80 million people. Yes, there is a chance that public gatherings will be reporter harvard epidemiologist Marc Lipsitchs models are even close, thatstoe projected to die, but his projections come with caution. There is another factor that we dont know, which is of the people who get infected, what proportion of them are going to get symptoms at all. If it really does spread as tdely as that projection says, and thats what i think is likely to happen, then there are going to be millions of people dying, and i dont think theres any way to get around that. Reporter but even lipsitchs warnings come with an important perspective. Is this coronavirus an existential threat . Its not an existential enreat. Its very much like a bad stndemic of influenza, which we experienced arguably twice or three times in the 20th century, but none of those brought civilization close to its knees. It made things awful for a while. Reporter and this wont either . This will not either. Reporter jim axelrod, cbs news, boston. Odonnell we turn now to campaign 2020 and some dramatic changes. Amy klobuchar dropped out of the race today one day after Pete Buttigieg called it quits. And tonight both are expected to endorse joe biden, giving the former Vice President a big boost on the eve of super tuesday. Ed okeefe reports on this sudden change. Everyone. You, everyone. Reporter as early as this morning senator Amy Klobuchar was telling her supporters not to give up. Im in the top five of vote totals now. Reporter but this afternoon tee was out. And tonight she, along with Pete Buttigieg, who dropped out yesterday, plan to endorse former Vice President joe biden at a rally in texas. Its meant to consolidate the therate wing of the democratic democraticlunt the rise of party and blunt the ri senator Bernie Sanders. There are an awful lot of people who are running for office who dont want to run with bernie at the top of the ticket as a selfproclaimed socialist. Reporter one endorsement still on the table, that of former president obama. Biden tells our Caitlin Huey Burns he hasnt asked for it. I think its important that i demonstrate that i earned this on my own. Reporter biden is on a roll wn. Er a big South Carolina win, a primary that drew the highest democratic turnout ever. His crowds and fundraising have both seen a boost. But sanders is still the national frontrunner. Polls show him ahead in delegaterich california and texas and neck and neck withelir home state of massachusetts. The corporate elite is getting very nervous about our campaign. Athey possibly can in everyng way to try to stop us. Reporter former new york mayor Michael Bloomberg, who says hes not going anywhere, spoke with both buttigieg and klobuchar today. I thought both of them behaved themselves, a nice way e phrase it, but they represented their country and reeir states very well, and i felt sorry for them, but im in it to win it. Reporter one other good sign for biden, he raised about 10 million in the 24 hours after his South Carolina win, but sanders and warren have raised much more, and theyre all dwarfed in a Financial Sense by bloomberg, who appears tomorrow for the first time on a ballot. Errah. Odonnell all right, ed, thank you so much. Lets bring in major garrett. Major, where could these endorsements help joe biden . Positive developments, but theyre probably not going to have maximum impact tomorrow night. Why . Three big states have been voting for a while. It takes a while for voters to process this. Plus Bernie Sanders and his supporters will say, the establishment is after us, we better gird and work even harder, now and in the contests to come. So what are the contests to come . Well, next week, several race, eral race,rprises, michigan and ohio, 216 delegates. One week later, florida, illinois, arizona, 441 delegates. The message to those thinking eneethis fightn, he can deny going. Odonnell some big prizes still ahead even after super tuesday. What kind of pressure does this put on Michael Bloomberg and senator Elizabeth Warren . Completely different. First of all, Michael Bloomberg, what is his slogan . Mike gets it done. Delegates and victories. If he doesnt have much for either, the rational implodes. Elizabeth warren, who will pressure the only woman to get out . Possibly to position her as a compromise between joe biden and pornie sanders at the democratic comocratic convention. Odonnell major garrett, thank you. To have some leverage. Well have live coverage for the super tuesday concern. Beginning at 8 00 eastern, 5 00 news. There is still much more ahead on tonights cbs evening news. Protesters wanted a word with a county prosecutor, but what they new details on a multivehicle pileup that shut dun a major highway for more than 24 hours. And later, we remember james lipton and some of his greatest moments inside the Actors Studio. 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Tonight the Los Angeles Police department is investigating a tense confrontation today at the home of the Los Angeles CountyDistrict Attorney. Protesters from the group black lives matter knocked on jackie5 laceys husband david opened the door and briefly pointed a gun at the protesters. Lacey later apologized. Rhe is l. A. Countys first black District Attorney and has been the target of protests over her offices handling of high profile cases. The third time may be the charm for israeli Prime Minister benjamin netanyahu. Exit polls show netanyahu has a narrow lead in israels third election in less than a year, but its not clear if he will be able to form a Majority Coalition in parliament. Netanyahu seeking his fifth term in office is due in court this month to face corruption charges. All right. Coming up next, well remember actor james lipton, who knew the biggest stars and their craft as well as anyone. Wow thats ensure max protein, with high protein and 1 gram sugar. 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On his show inside the Actors Studio, lipton interviewed the biggest stars in show business. Heres don dahler on liptons remarkable career. Pegeredgraduate, bradley cooper. Carpetere anctor durg you wanted to be sitting next the james lipton talking about your craft. Wasnt there a play in the fourth grade . There was. It was around the world in 80 days. Reporter inside the Actors Studio, which lipton hosted in 1994 when he created the show, show, until 2018 when he left ea, featured hourlong with nearly 300 of the worlds biggest stars. What began as a master class for liptons students at the Actors Studio drama school became must see television. That phrase is legalized insanity. Yes. Reporter the intimate setting and liptons gentle probing allowed stars to open up like they rarely ever did. C excuse me. Reporter born in detroit in 1926, lipton worked as a newspaper copy boy, radio voice actor, screenwriter, musical lyricist, producer, and soap actor, but it was inside the Actors Studio that brought him fa wasarodied saturday night live. A film which some call a chick flick, meaning a movie intended primarily for the opposite gender of myself. Reporter after a battle with bladder cancer, lewis james lipton took his final curtain call at the age of 93. Don dahler, cbs news, new york. Odonnell some of those interviews lasted four or five hours and were cut down to one hour. Nominated for 21 emmys. Well be right back. Esmies. Well be right back. And i recently had hi, ia heart attack. It changed my life. But im a survivor. After my heart attack, my doctor prescribed brilinta. Its for people who have been hospitalized for a heart attack. Brilinta is taken with a lowdose aspirin. No more than 100 milligrams as it affects how well brilinta works. 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Voters in 14 states will go to the polls today, casting ballots that could make or break several democratic candidates. Cbs cameras went around the country, asking people what they would like to ask the candidates. Here is a sample. My name is gabrielle find, and im from silver spring, maryland. When i was 10 years old, i was diagnosed with type i diabetes. People with type i diabetes need insulin to survive. My question is how would you prevent pharmaceutical companies from driving up the price of lifesaving drugs. One of my parents from home, their parents are being deported in two years because of trumps immigration policies. Im wondering what you can do to help them and undo the past. Im a 23yearold paralegal from minnesota. Today more than two million americans sit behind correctional facilities. The overwhelming number are those of color and with mental illness. As president what are you going to do to bring more attention to this issue and actually solve it . My name is sylvia mccown. I volunteer at a food pantry here in flint, michigan, where i meet a lot of people who are working full time at minimum wage jobs but still cant seem to make ends meet. My question to the candidates are what can you do to provide additional help for these people . Hi, my namelie gordon. My great grandparents fled the russian empire and arrived to were very concerned with the rising tide in antisemitism that has turned deadly. What is your plan to combat this rising hatred . As a mother of two teenagers who are soon to go to college, my question for the candidates is how do you address the rising cost and quality of education and the debt burden associated with it . How will you protect the Lgbtq Community through actions and policies, specifically ones that protect transwomen of color . What is your plan to combat the Mental Health and addiction crisis in america . 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