As more cases of coronavirus are confirmed in the U.S., clergy are reconsidering a variety of practices during religious services, from handshakes to close contact. Experts say that's a wise idea.
A respirator is a central piece of protective gear vital for keeping health care workers healthy — but wearing one incorrectly can put the wearer at risk.
A lack of testing for coronavirus has hampered the U.S. public health response to the outbreak. But in Washington state, an outbreak hot spot, a university lab can now run 1,000 tests a day.
Air pollution levels have dropped dramatically as power plants and factories have slowed down — potentially saving lives. But the public health benefits aren't so simple to calculate.
Doctors used CRISPR to edit genes of cells inside a patient's eye, hoping to restore vision to a person blinded by a rare genetic disorder. A similar strategy might work for some brain diseases.
After Super Tuesday, Joe Biden and Bernie Sanders are the front-runners. U.S. financial markets fell again on concerns over the coronavirus outbreak. And, details of a new development in medicine.
As the world watches the outbreak of a novel coronavirus, epidemiologists are watching simulations of that outbreak on their computers to try to predict what might happen next.