COVID-19 variant XFG accounted for 0% of U.S. cases in May. By late-June, it became the third-most common strain.

The Centers for Disease Control and Prevention said a new COVID variant is spreading across the country. The variant is ...

Health Secretary Robert F. Kennedy Jr. said the department will cancel $500 million worth of contracts for vaccine projects ...

COVID-19 infections are "growing or likely growing in 40 states" in the country, according to the U.S. Centers for Disease ...

Health and Human Services Secretary Robert F. Kennedy Jr. revealed his agency will be cutting funding to mRNA development, calling the vaccine technology "ineffective" and claiming it poses more risks ...

Fueled by a fast-growing new variant, COVID-19 infections are regaining ground just as summer travel peaks. New CDC ...

The primary cohort (to assess the RSV outcome) was comprised of 18,767 children with SARS-CoV-2 infection, 6,697 with ...

The XFG variant, known as "Stratus," is gaining traction in the U.S., rising to 14% of cases since May. While the WHO ...

The Stratus (XFG) variant, a recombinant subvariant of COVID-19, is rapidly spreading across the US and globally. While not more severe, it's marked by early hoarseness and high transmissibility.

Known officially as XFG, the variant was first detected in Southeast Asia back in January. For months, it flew under the ...

The data, from the Centers for Disease Control and Prevention, also showed a significant increase in COVID-related emergency ...

As the U.S. approaches the midpoint of summer, the CDC is reporting cases of the virus are growing or likely growing in ...