The medical field still lacks a clear answer as to what constitutes long COVID, despite hundreds of published studies and ...

The new XFG COVID variant, aka "Stratus," is spreading rapidly in the U.S. as cases rise. Here's what to know about the ...

The Food and Drug Administration could pull Pfizer's coronavirus vaccine emergency authorization for children under age 5.

Trump officials are capitalizing on lingering COVID resentment to undermine American vaccine policy.

More than five years after the Covid-19 pandemic first ravaged the nation, many Americans are still dealing with the social ...

Parents in the United States who want to vaccinate their young children against Covid-19 this fall may face a growing set of ...

Under Robert F. Kennedy Jr., federal officials may withdraw an endorsement for the vaccine in younger children.

A Georgia man who had blamed the COVID-19 vaccine for making him depressed and suicidal has been identified as the shooter ...

Layoffs in the U.S. have hit their highest levels since the COVID-19 pandemic, driven by government cuts, restructuring and ...