Countries Slammed Their Borders Shut To Stop Coronavirus. But Is It Doing Any Good?

An analysis by NPR finds many nations are tossing aside international health regulations and imposing strict travel restrictions. Experts say the benefits are likely to be small.

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Geoff Brumfiel works as a senior editor and correspondent on NPR's science desk. His editing duties include science and space, while his reporting focuses on the intersection of science and national security.