The coronavirus seems unstoppable. What should the world do now?

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Residents of Casalpusterlengo, an Italian town under lockdown, line up to enter a supermarket.

 JISTNET IMAGES 

avoided using the word “pandemic” to describe the burgeoning crisis today, instead talking about “epidemics in different parts of the world.” But many scientists say that regardless of what it’s called, the window for containment is now almost certainly shut. “It looks to me like this virus really has escaped from China and is being transmitted quite widely,” says Christopher Dye, an epidemiologist at the University of Oxford. “I’m now feeling much more pessimistic that it can be controlled.” In the United States, “disruption to everyday life might be severe,” Nancy Messonnier, who leads the coronavirus response for the U.S. Centers for Disease Control and Prevention, warned on 25 February. “We are asking the American public to work with us to prepare for the expectation that this is going to be bad.”

capital firm. “The fight now is to mitigate, keep the health care system working, and don’t panic,” adds Alessandro Vespignani, an infectious disease modeler at Northeastern University. “This has a range of outcomes from the equivalent of a very bad flu season to something that is perhaps a little bit worse than that.”

Public health experts disagree, however, about how quickly the travel restrictions that have marked the first phase of the epidemic should be loosened. Early this week, the total number of cases stood at more than 80,000 with 2705 deaths—with 97% of the total still in China. Some countries have gone so far as to ban all flights to and from China; the United States quarantines anyone who has been in hard-hit Hubei province and refuses entry to foreign nationals if they have been anywhere in China during the past 2 weeks. Several countries have also added restrictions against South Korea and Iran.

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