HEALTH

“You have to start somewhere,” said Kathrin U. Jansen, a senior vice president and the head of vaccine research and...

Nearly two years into the Covid-19 pandemic, the world remains “dangerously unprepared” for the next major outbreak, according to a...

When asked how that had affected her work at Theranos, Ms. Holmes said it was difficult to separate where his...

The team tested whether removing any of the four most significant proteins in the runner blood would matter, and found...

Among 52 incentives to exercise, giving people a 9-cent award if they returned to the gym after missing a workout...

A new class of flu vaccines could eventually save millions of lives — and perhaps stop the next pandemic —...

A report out of South Africa offered a first glimpse at how vaccinated people might fare against the fast-spreading Omicron...

The United States surgeon general on Tuesday warned that young people are facing “devastating” mental health effects as a result...

A few hours later, Brandon, 10, carefully watched his older brother, Jonathan, get several vaccines, including the Covid-19 shot. He...

The United States surgeon general on Tuesday warned that young people are facing “devastating” mental health effects as a result...