Under the new metrics, more than half of U.S. counties, which make up about three-fourths of where Americans live, are now considered to be at "low" or "medium" risk because of a reduced number of new ...

The CDC has issued updated recommendations for the 2025–2026 COVID-19 vaccination season, covering mRNA and protein subunit vaccines for people aged 6 months and older. The new formulations target ...

The Centers for Disease Control and Prevention issued new guidance for COVID-19 on Thursday. The agency announced Thursday that the new guidance emphasizes understanding the risks of the virus, how ...