How U.S. health officials are responding to threat of novel coronavirus

With nearly 20,000 people in China infected by novel coronavirus, the country has essentially quarantined a population of 50 million. Countries including the United States have evacuated their citizens from China and restricted inbound travelers from there. Sec. of Health and Human Services Alex Azar joins William Brangham to discuss how U.S. health officials are handling the outbreak. Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG Find more from PBS NewsHour at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6 Follow us: Facebook: http://www.pbs.org/newshour Twitter: http://www.twitter.com/newshour Instagram: http://www.instagram.com/newshour Snapchat: @pbsnews Subscribe: PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts Newsletters: https://www.pbs.org/newshour/subscribe