Coronavirus threat spurs mass quarantines around the world

With over 20,000 sick worldwide and more than 420 dead in China, countries around the world are going to extreme lengths to try and keep coronavirus contained. But according to experts at WHO, some of these measures might be going too far. Mola Lenghi breaks down the world’s reaction from Princeton University, where nearly 100 students who recently traveled to China have self-quarantined.

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