Add Yahoo as a preferred source to see more of our stories on Google. The Centers for Disease Control and Prevention updated its guidance for the COVID-19 vaccine this month, ending months of ...

A guide to coronavirus vaccination rollout and what you need to know about the authorized vaccines. Some 63.8% of Americans have received both doses of the two-shot Pfizer-BioNTech and Moderna drugs ...

Six years after the start of the COVID-19 pandemic, the virus still exists. A public health expert explains what Long COVID ...

Schools without mask mandates more likely to have COVID outbreaks, CDC finds One study in two of Arizona's most populous counties found that schools were 3.5 times more likely to have outbreaks of ...

Updated 2024-2025 COVID-19 vaccines significantly reduced the risk for hospitalization and severe outcomes despite the emergence of new viral lineages.

There remains much we don’t know about long covid, including its origins. It’s a complex condition likely caused by more than one thing, including a dysfunctional immune response to the earliest covid ...

NEW YORK (WABC) -- There are concerns about an increase of COVID cases in the United States as New York and Connecticut are among 22 states that have seen a more than 10% increase in the number of new ...

Updated mRNA-1273 vaccine was effective against severe COVID-19 outcomes in older and high-risk adults during the 2024-2025 season.