More than two dozen states have confirmed cases of a new COVID variant, with experts saying the mutation poses risks to people who were previously infected or vaccinated. And, it was largely ...

Add Yahoo as a preferred source to see more of our stories on Google. The Centers for Disease Control and Prevention has detected a new COVID‑19 strain, raising concerns among experts about a possible ...

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A newly identified COVID-19 variant is drawing attention from health officials after being detected in the U.S., though early evidence suggests it is not yet driving a surge in cases or severe illness ...

Is this London's new Covid hotspot? High level of positive tests sparks warning - Figures have circulated appearing to show ...

Repeated infections are “a fact of life” at this point, experts say. But they warn there is no such thing as a risk-free case ...