In most places, elderly people are pitted against one another, competing on an unstable technological playing field for limited shots.

Alcoholism-related liver disease was a growing problem even before COVID-19, but the pandemic has dramatically added to the toll.

Public health authorities are relying on community health workers to be a bridge to communities that have been hardest hit by COVID-19.

Many U.S. states aren’t rigorously tracking or investigating suspected cases of coronavirus reinfection.

More contagious variants add to the struggle agencies already face to trace contacts, communicate with the public and vaccinate residents.

The question of how and when to get kids back into classrooms often depends less on science than politics.

Chronic fatigue syndrome is a complicated disorder characterized by extreme fatigue that lasts for at least six months.

“Saved By the Bell” actor Dustin Diamond died Monday at age 44 from small cell lung cancer.

Forcing companies to gear up production won’t provide much-needed doses anytime soon.

Even as drugmakers ramp up supplies, only a trickle of the product has found its way into regular people.