In 2015, the mosquito-borne virus Zika exploded in South America. Health experts predicted it would erupt in Africa. But a major outbreak never happened. Now scientists think they understand why.
The federal government released data showing that the number of hospitals with staffing shortages is rapidly increasing. NPR digs into what these data illuminate and what data might be kept hidden.
As the U.S. prepares for what will likely be the largest vaccination program in its history, the Trump administration plans to loan $590 million to a Connecticut company with a novel technology.
With surgical care on the rise globally, researchers worry the energy-consuming procedures will have a negative impact on the climate. But they say there are ways to make them more energy efficient.
NPR's Audie Cornish talks with Andy Slavitt, ex-acting head of the Centers for Medicare & Medicaid Services, and Scott Gottlieb, former Food and Drug Administration head, on COVID-19 vaccine efforts.
People who get more deep sleep appear less likely to develop Alzheimer's. That may be because this phase of sleep allows the brain to clear out waste products.
Dr. Glenn Hurst says hospitalizations are growing in part because of a nursing home "bottleneck." Many people rehabilitate at nursing homes after leaving the hospital.