A tuberculosis vaccine invented a century ago is cheap and safe, and seems to bolster the body’s immune system.

President Trump warns of what could be “the toughest week,” while also saying he would like to consider relaxing social distancing rules for Easter services.

He said the government was putting millions of doses of the malaria drug hydroxychloroquine into an emergency stockpile even though it has not been approved for Covid-19 treatment.

Zachary Frenette spent about two weeks fighting to get help under a new Uber policy. It worked, but only after he got the news media involved.

The pandemic has hit Germany hard, with more than 92,000 people infected. But the percentage of fatal cases has been remarkably low compared to those in many neighboring countries.

Weighing an idea that might once have been relegated to science fiction, Italy once again finds itself in the unfortunate vanguard of Western democracies grappling with the coronavirus.

With the coronavirus pandemic turning doctors’ offices into no-go zones, family physicians are now doing much of their consultations online or by telephone.

Runners may be running alone, but they can still feel as if they’re part of a larger group.

Alabama became the 41st state to issue a stay-at-home order, and the attorney general expanded the pool of prisoners eligible for early release from federal prisons.

Officials are ​trying to curb expressions of grief and control the narrative​ amid doubts about the official number of deaths in China.

“It is hard to put fully into words what we are all grappling with as we navigate our way through this pandemic,” a hospital official said.

Specialists who haven’t worked an intensive care shift in years are being pressed into duty as coronavirus cases overwhelm New York’s hospitals.

Dr. Goodrich led teams that did a series of celebrated surgeries. He was a victim of the coronavirus.

One of the top allergists of the 20th century, he helped legions of hay fever sneezers by publicizing pollen counts. Among his patients was Saddam Hussein.

The C.D.C. now recommends we cover our faces in public. Here is our guidance on how to best protect yourself, whether you have a mask or not.

The masks are almost identical in performance to the N95 masks that hospitals and other institutions are struggling to find.

With coronavirus-related job losses, many workers are reluctantly seeking charity and unemployment benefits for the first time in their lives.

There’s more to the age-old advice to just “talk it out” than there seems. Here’s some of the evidence that explains why it is so helpful.

What I miss most now, sheltering in place, are the dog walks where a SuperBall can stop time in its tracks.

Working in South Africa, she led studies and drug trials, hoping to overcome not only H.I.V. but also cultural barriers to stopping its spread. She died of the coronavirus.