Dealing with the first wave was like a sprint, the second will be more like a marathon.

A wedding in Maine is linked to 176 Covid-19 cases and the deaths of seven people who didn't attend the celebration, demonstrating just how easily and quickly the virus can spread at social gatherings, public health experts say.

President Donald Trump knew back in the spring that it would probably take a year to develop a coronavirus vaccine, according to interviews with journalist Bob Woodward.

Eli Lipman, 9, and his father have been battling the impact of Covid-19 since March, and he said life as a "long hauler" isn't easy.

More than half a million children in the United States have been diagnosed with Covid-19 since the start of the pandemic, according to the American Academy of Pediatrics and the Children's Hospital Association.

Sibling rivalry is often taken as an unexamined fact of family life -- as much a part of parenting as potty training or bedtime stories.

Children and teens from minority groups are disproportionately hit by coronavirus, just as older adults are, according to the findings of a new report from the US Centers for Disease Control and Prevention.

Overcrowded parties have forced several high schools to go back to online learning in hopes of staving off Covid-19 outbreaks.

Many of us hope to escape who we were in high school -- particularly if you were last in line to be picked in gym class -- but a growing body of research suggests that how popular you are in adolescence has a link with psychological and physical health decades later.

Travelers eager to fly again may want to consider Italy as their next destination.

The Food and Drug Administration is weighing whether to follow British regulators in resuming a coronavirus vaccine trial that was halted when a participant suffered spinal cord damage, even as the National Institutes of Health has launched an investigation of the case.

At first, Cameron Lynch thought she would need prepared questions for the group to discuss in their first Zoom call.

Dr. Umair Shah remembers the last mass vaccination campaign the US waged.