Nurith Aizenman
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And what that means for the rest of the world. Researchers have found three likely reasons for the drop in the fatality rate.
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The coronavirus outbreak in China seems like an unusual event. But scientists have found that similar viruses have been quietly jumping from bats into humans for years.
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Every year, viruses like influenza kill hundreds of thousands worldwide — yet countries don't respond with lockdowns or airport screenings. Here's why they're doing so over the coronavirus outbreak.
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Experts say China's move is unprecedented. Here's why they're opposed.
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As the world's second-worst Ebola outbreak in history drags into a new year, experts think the solution is less about medicine, and more about security.
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Dr. Marie-Roseline Bélizaire says the United Nations is failing to keep its medical workers safe.
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Every time we divvy up our money among good causes, we're making a moral judgment about who is most deserving.
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Research suggests the most effective way to help poor people can be to give them no-strings-attached cash. Now a new study finds even neighbors who don't get the aid benefit.
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Uganda is challenging morphine's reputation as an archaic, dangerous drug — and inspiring other African countries to do the same.
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In lower-income countries, snakes, cow carcasses and collapsing walls are among the hazards faced by this critical but long-ignored group of workers.
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A sweeping study in The Lancet finds that longstanding progress in treating diseases and reducing childhood deaths is in jeopardy.
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The first-ever Global Tobacco Industry Interference Index points to the creative rules that some nations use — and what happens when contact isn't policed.