Coronavirus

The requirement to test for Covid before flying to the United States is hated by many travelers and the U.S. travel industry. But the government shows no sign of getting rid of it.

An examination of the most credible research to date.

Meet Shawn Seipler, the founder of Clean the World. The nonprofit recycles partially used soap left behind from hotel guests for those in need.

She worked with President Bill Clinton to to make the disease a public health priority. But her office never achieved the stature or effectiveness that some had hoped for.

The medical team for the Democratic nominee in Pennsylvania’s Senate race has not spoken about John Fetterman’s prognosis. But cardiac experts saw clues in campaign statements.

This viral illness is not like Covid, but there is cause for concern. Here’s how experts are thinking about it now.

The preliminary results appeared to show that three doses of the vaccine worked better than two.

A shipment that arrived on Sunday was the first of two intended to address shortages in the United States. Another shipment is set to arrive this week, the White House said.

There is no universal definition of the complex condition, but clues about causes and potential treatments are beginning to emerge.

The New York Times and Kaiser Health News are looking into whether Americans have enough resources and help as they age.

After a federal mask mandate was struck down on Monday, travelers are facing a patchwork of rules spanning air travel, trains, buses, cruise ships and ride-hailing services. Here’s what to know.

He shared a Nobel for finding that RNA was not just a carrier of genetic information but could also trigger life-changing chemical reactions in cells.