China by far is bearing the biggest burden of the new coronavirus outbreak — only about 100 cases have been reported outside the country. But on Thursday, the World Health Organization declared it a public health emergency of international concern, while at the same time recommending countries not limit trade and travel to China. Michael Mina, an infectious disease specialist at Harvard, explains what's known at this point about this disease and the best ways to respond.

On 'The World,' energy analyst Michael Klare talks about a new global ranking: energy haves and have-nots.
Ersi Arvizu put soul into the Mexican ballad in the 60s and 70s for the band el Chicano -- she's back with a new CD.
The history of an Amazon city by way of one of its most famous landmarks: an opera house.
The Amazon rain forest is a possible tipping point for climate change.
Author Rowan Gibson talks about how businesses can encourage innovation even if their host countries don't.
From 'The World': how President Bush's speech to the Israeli parliament sounded to Barack Obama like an accusation.
'The World' reports on the Chinese government's efforts to provide disaster relief to those affected by the earthquake.
Anchor Katy Clark tells us about British nostalgia for the music of the 1990s -- especially for the bands that made English "trip-hop" so popular a decade ago on PRI's "The World."
'The World' reports on new legislation to prevent Internet companies from turning over information about their users.
'The World' reports on the foreign aid to Burma, which was devastated by a cyclone that left more than 22,000 dead.