● The U.S. Centers for Disease Control and Prevention raised its travel warning Monday to a level 3, its highest alert level, urging U.S. citizens to avoid all nonessential travel to China.
● With at least 106 dead so far, Beijing has broadened the extraordinary quarantine to more than 50 million people, but the mayor of Wuhan, the outbreak’s epicenter, said 5 million people have already left his city.
● China’s health minister said the coronavirus is increasing in virulence and now could be contagious even before people exhibit symptoms, making apparently healthy people possible carriers.
● A scientific assessment of the spread of the disease, assuming an optimistic 90 percent quarantine, still predicted more than 59,000 infections and 1,500 deaths — twice the toll of the 2002-2003 SARS outbreak.
● The CDC said on Monday there were no new confirmed cases of coronavirus overnight but that it is investigating 110 people in 26 states.
● In the United States, health officials confirmed five cases of the pneumonia-like illness, while infections also have been confirmed in France, South Korea, Japan, Nepal, Thailand, Cambodia, Singapore, Vietnam, Taiwan, Canada, Sri Lanka and Germany. We’re mapping the spread here.