What began as a public health crisis in China is well on the way to becoming a pandemic. And while there is a lot of news about the coronavirus, there is also a lack of understanding about the severity of the threat. As officials warn of a potential outbreak in the U.S., we ask: How bad could the coronavirus get? Guest: Donald G. McNeil Jr., a science and health reporter for The New York Times. For more information on today’s episode, visit nytimes.com/thedaily.  Background reading: President Trump sought to reassure the country that the U.S. government was controlling the spread of the coronavirus after his administration weathered days of criticism.Here are the latest updates on the illness’s sweep around the world, with cases in at least 44 countries.What can you do to protect yourself and your family from the virus?