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

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

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

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 ...

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

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 ...