Scientific information on the US Centers for Disease Control and Prevention’s website was replaced on Wednesday with anti-vaccine talking points that don’t rule out a link between vaccines and autism, ...

A previous version denied a link between vaccines and autism. It now echoes the doubts about that conclusion voiced by Health ...

The search for long-COVID treatments echoes the previous struggles against HIV/AIDS. Now researchers are taking lessons from ...

If the outbreaks cannot be extinguished soon, the United States will lose its “elimination status,” as determined by the ...

Researchers tracked thousands of Americans for decades, finding no links between ingesting recommended levels of fluoride and ...

Recent U.S. decisions about vaccines signal bigger changes to come that could threaten the foundation of the national childhood immunization schedule.