In fall 2025, rumors spread that the strain of the virus in circulation that causes COVID-19 had "very different signs" compared to other strains of the virus. Referring to it as "COVID-25," people ...

WASHINGTON -- The US Food and Drug Administration gave the green light Monday to updated COVID-19 vaccines from Moderna and Pfizer/BioNTech amid rising cases and hospitalizations. Both vaccine ...

NEW YORK (WABC) -- There are rising concerns about the new omicron variant, as cases have now been confirmed in more than half the U.S. Early anecdotal reports seem to indicate those infected are ...

NEW YORK -- As Americans brace for the possibility of another difficult winter ahead in the nation's fight against coronavirus, there is a renewed sense of urgency to get as many people inoculated and ...

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When Jeremy Kamil got his first look at B.1.1.529, the coronavirus variant that would soon be named omicron, it didn’t take long to see the differences. More than 30 mutations made the variant's spike ...

The BA.2 virus -- a subvariant of the Omicron coronavirus variant -- isn't just spreading faster than its distant cousin, it may also cause more severe disease and appears capable of thwarting some of ...

With the holiday season in the U.S., there is often a rise in cases of colds, flu, and COVID-19. As people gather indoors and travel increases, the spread of respiratory illnesses becomes more common.

COVID-19 risk might be much lower than in past summers, but it’s not gone - making a pre-Christmas booster for some a good idea.

The US Centers for Disease Control and Prevention strengthened recommendations for booster doses of coronavirus vaccine Monday, saying all adults should get boosted six months after the second dose of ...