The coverage on this live blog has ended — but for up-to-the-minute coverage on the coronavirus, visit the live blog from CNBC's Asia-Pacific team.
Here are today's key headlines:
Here are the latest figures on global and U.S. totals:
All times below are in U.S. eastern time.
Authorities in the United States have reported 434 cases of the coronavirus and 19 deaths, according to data compiled by NBC News. Several states have declared emergencies in response to the virus, including California, Florida, Indiana, Kentucky, Maryland, New York, Utah and Washington. Pennsylvania has issued a disaster declaration and the city of Austin, Texas has issued a local disaster declaration. – Kimball
New York has identified 13 additional cases of the conronavirus, according to the governor's office, bringing the statewide total to 89. The new cases are all located in Westchester County.
Gov. Andrew Cuomo declared a state of emergency earlier in the day in an effort to contain the fast spreading virus. An emergency declaration will allow the state to buy supplies and hire workers more quickly and easily to help the health departments monitoring patients under self-quarantine, Cuomo said during a press conference. – Kimball, Newburger
The White House is aware that an individual who attended the Conservative Political Action Conference has tested positive for the virus, acccording to Press Secretary Stephanie Grisham, but there is no indication that President Trump or Vice President Pence had any contact with the person.
"At this time there is no indication that either President Trump or Vice President Pence met with or were in close proximity to the attendee," Grisham said. "The President's physician and United States Secret Service have been working closely with White House Staff and various agencies to ensure every precaution is taken to keep the First Family and the entire White House Complex safe and healthy." – Kimball
Washington, D.C.'s public health lab has identified the first presumptive case of coronavirus in the nation's capital, Mayor Muriel Bowser announced in a post on Twitter. – Kimball
An individual who attended the Conservative Political Action Conference in late February has tested positive for the coronavirus.
The person was exposed to the virus before attending CPAC, according to the American Conservative Union, which sent the individual to the conference.
The ACU said the individual had no interaction with President Donald Trump or Vice President Mike Pence during the event. Trump and Pence both delivered remarks at CPAC.
The individual is now under quarantine in New Jersey, according to the ACU. – Kimball
The Milken Institute has rescheduled its 23rd annual conference for July 7-10 amid concerns about the coronavirus.
"Even though attendee registration and commitments from major speakers were outpacing previous years, we felt it was important to make this decision now to help our key constituents plan accordingly," said Michael Klowden, Milken Institute CEO.
The conference brings together leaders from business, politics, tech and media every year. The Milken Institute was founded by Michael Milken, who was convicted of securities fraud and was known as the "junk bond king" in the 1980s. Milken was recently pardoned by President Donald Trump. – Kimball
Saudi Arabia has asked people who have traveled to Lebanon, Egypt, Italy or South Korea to self-quarantine for two weeks from the day of their arrival in the kingdom, Saudi state media quoted the health ministry as saying.
It asked people who had visited any of the four countries showing symptoms of the virus to contact the authorities.
Saudi Arabia reported two new coronavirus cases, a woman who came from Iran via Bahrain and another woman who came to the Gulf kingdom from Iraq via the United Arab Emirates, taking the total number of cases to seven. – Reuters
"We've made this decision out of an abundance of caution and in service to protecting our employees, their families and our communities," the company said in a statement. "During this time, we will continue to pay our vendor hourly service providers, who are an important part of our family."
Salesforce is San Francisco's largest private employer, with more than 7,000 employees in the city.
This comes three days after California Governor Gavin Newsom declared a state of emergency following a coronavirus-related death in the state.
Salesforce asked employees in Washington state to also work remotely on Wednesday, citing safety concerns. – Locke
The Italian government plans to lock down travel in Lombardy due to the coronavirus, according to a draft decree reviewed by CNBC.
Lombardy is a region of 10 million people in northern Italy which is home to Milan, the nation's financial hub.
The Italian government also plans travel lockdowns in 11 provinces, including Modena, Parma, Piacenza, Reggio nell'Emilia, Rimini, Pesaro and Urbino, Venice, Padua, Treviso, Asti and Alessandria.
According to the draft decree, people should "absolutely avoid" travel to these areas except in emergency situations.
Italy is one of the countries hardest hit by the coronavirus outside China. There are at least 5,883 confirmed cases in Italy and at least 233 deaths. – Kimball
The head of the U.S. Food and Drug Administration said that materials for 2.1 million coronavirus tests will have been shipped to non-public U.S. labs by Monday, as the Trump administration aims to counter criticism that its response to the disease has been sluggish.
Stephen Hahn, the FDA commissioner, told reporters at the White House that manufacturers have told the agency they believe that by the end of next week they could scale up to a capacity of 4 million additional tests. – Reuters
Here are the latest confirmed coronavirus case numbers in the U.S., according to NBC News data:
Grand Princess: 21 (19 crew members and 2 passengers); Arizona: 5; California: 84; Colorado: 8; Florida: 7; Georgia: 3; Hawaii: 1; Illinois: 6; Indiana: 1; Kentucky: 1; Massachusetts: 13; Maryland: 3; Minnesota: 2; Nebraska: 14; Nevada: 2; New Hampshire: 2; New Jersey: 4; New York: 76; North Carolina: 2; Oklahoma: 1; Oregon: 7; Pennsylvania: 2; Rhode Island: 2; South Carolina: 2; Tennessee: 1; Texas: 19; Utah: 2; Washington: 102; Wisconsin: 1.
There have been 16 virus-related deaths in Washington state; 2 in Florida; and 1 in California. – Newburger
A cruise ship on Egypt's Nile River with over 150 tourists and local crew is in quarantine in the southern city of Luxor, as 45 people on board tested positive for the new coronavirus, authorities said.
A Taiwanese-American tourist who had previously been on the same ship tested positive when she returned to Taiwan, the World Health Organization informed Egyptian authorities, who then tested everyone on the ship.
Health authorities first found that a dozen of the ship's Egyptian crew members had contracted the fast-spreading virus, and said they did not show symptoms, according to a joint statement from Egypt's Health Ministry and the WHO on Friday. – AP
Gov. Andrew Cuomo declared a state of emergency after the number of confirmed coronavirus cases in New York increased to 76.
Eleven of the cases are in New York City and 57 are in Westchester County. There are also signs of an ongoing spread, including a pair of cases in both Saratoga County and Rockland County, as well as four in Nassau County, according to the governor.
The slew of cases in Westchester County trace back to a lawyer from Westchester, who was the second confirmed case in the state. – Newburger
About 30 people remained trapped after a five-story hotel being used for coronavirus quarantine collapsed in the southeast Chinese port city of Quanzhou, state media said.
About four hours after the collapse, the Quanzhou municipality said 38 of the 70 or so people who had been in the Quanzhou Xinjia Hotel had been rescued.
A video stream posted by the government-backed Beijing news site showed rescue workers in orange overalls clambering over rubble and twisted steelwork carrying people towards ambulances. – Reuters
The death toll from an outbreak of coronavirus in Italy has slowed down but the total number of cases in the country jumped by over 1,200, the Civil Protection Agency said.
Deaths due to the infectious virus were up 36 to 233, the head of the agency, Angelo Borrelli, said in a news conference. They were up 49 on Friday, in the biggest rise since the outbreak of the illness in Italy.
The total number of cases in the country was up to 5,883 compared to 4,636 announced on Friday, showing that contagion shows no sign of slowing down.
Borrelli added that of those originally infected, 589 had fully recovered while 567 were being treated in intensive care.
The contagion came to light over two weeks ago and is focused on a handful of hotspots in the north of Italy, but cases have now been confirmed in each of the country's 20 regions, with deaths recorded in eight of them. – Reuters
British health officials said that the number of confirmed virus cases in the U.K. has increased from 164 to 206, an increase of 42 since Friday.
Two people in Britain have died from the virus, the health ministry and the Public Health England agency said. More than 21,000 people have been tested for the virus. – Newburger
Amtrak is canceling its nonstop Acela service between Washington, D.C. and New York City as demand weakens due to concerns over the virus. It will suspend service starting on Tuesday through May 26, and will suspend change fees on existing and new reservations for tickets bought before April 30.
"We are closely monitoring the coronavirus and are taking action based on guidance from public health experts," the company said. – Newburger
About 70 people were trapped in a collapsed hotel in the city of Quanzhou, in southeastern Fujian Province, the city government said on its website.
The collapsed hotel is used for coronavirus quarantine, according to the official People's Daily. The building collapsed at around 7:30 pm local time, and by 9 pm, 23 people had been rescued, the city government said.
No reason for the collapse was given. – Reuters
Officials confirmed on Friday that two people who recently attended the conference by the American Israel Public Affairs Committee in D.C. tested positive for the virus. Thousands of people attended the policy conference.
The D.C. Department of Health said in a statement that there's no identified risk to the people who were at the conference.
"All attendees and members of the public are urged to follow the well-established prevention tips like staying home if sick and calling ahead to a health provider if experiencing symptoms," the health department said. – Newburger
Pope Francis will not address crowds from his usual position in the window overlooking St Peter's Square, the Vatican said, with his regular appearances being streamed online instead.
The move is an effort to prevent crowds from gathering as the coronavirus continues to grip Italy, with at least one confirmed case in Vatican City.
"These choices are necessary to avoid risks of spreading COVID-19 due to gathering," the statement said.
The pontiff will also not hold his general audience from St Peter's Square on Wednesday. Both addresses usually see thousands of people gather to hear the voice of the Pope. – Bishop
Two more people have died from the coronavirus in France, according to the country's health ministry, bringing the total number of fatalities to 11. One of the deaths was in northern France and the other was in Normandy.
The number of cases in France has jumped by 103 over the past day, according to the French health ministry. There are now a total of 716 confirmed cases in France. – Kimball, Reuters
The Florida Department of Health announced late Friday that two residents have died in the coronavirus outbreak. The cases are the first known deaths in the state.
According to the state's health department, there have been 11 positive new coronavirus cases in the state as of Friday at 9:57 p.m. ET. – Wang
Another Diamond Princess cruise ship passenger has died, according to NHK , Japan's public broadcaster. This brings the death toll from the ship to seven.
The Diamond Princess ship is believed to be the site of what might have been the first major COVID-19 epidemic outside of China. It was quarantined at a Japanese port on Feb. 4 after a previous guest, who didn't have any symptoms while aboard the ship, tested positive for the virus.— Bishop, Reuters
The leader of Italy's co-ruling Democratic Party, Nicola Zingaretti, has tested positive for the coronavirus, he said in a video on Facebook Saturday.
"I'm fine but I'll have to stay home for the next few days," he said.
Italy is Europe's epicenter of the coronavirus, with at least 4,636 confirmed cases and 197 deaths as of Saturday. — Bishop
Fifteen Americans have been quarantined in a Bethlehem hotel over coronavirus fears, a Palestinian government spokesman told Reuters.
Spokesman Ibrahim Melhem said there was an American delegation at the hotel, "and they are being dealt with according to quarantine regulations like all the others who are there."
Palestine currently has at least 22 confirmed cases of the virus and has declared a state of emergency. — Bishop
Officials at Stanford University have announced that a member of faculty has tested positive for COVID-19.
The school has contacted those who might have come into contact with the person and asked them to self-isolate. The staff member worked in a clinic, which has been closed for cleaning.
The faculty member had not been to work since showing symptoms, Stanford University said.
Meanwhile, in an online letter published late Thursday, Provost Persis Drell announced that for the last two weeks of the winter quarter, beginning March 9, classes at Stanford would not meet in person.
"To the extent feasible, we will be moving classes to online formats in place of in-person instruction," Drell said. — Bishop
The National Basketball Association advised officials to prepare contingency plans should the coronavirus outbreak continue to spread. The NBA said teams should identify "actions required if it were to become necessary to play a game with only essential staff present" without fans or media, according to a copy of the memo obtained by CNBC.
The memo said teams should also "prepare for the possibility of implementing temperature checks on players, team staff, referees, and anyone else who is essential to conducting such a game in the team's arena."
One league executive told CNBC the league hasn't considered canceling or playing games without fans, but the memo was sent to organizations as a precaution. — Young