"As these viruses continue to evolve, public health officials watch carefully to see whether new strains will be more easily spread or cause more severe disease, and they are continuously testing to ...

A new COVID-19 variant called "Stratus" has been circulating in Oklahoma, and the state's positive test rate has been higher than the national average during the summer months. Stratus is the ...

Largely ignored by governments and trade unions, a new SARS-CoV-2 variant is spreading at great speed: the “Stratus” or “Frankenstein” variant, XFG. It is causing high levels of sickness absence in ...

On the 1st of October, 2025, reports of a new wave of COVID infections being driven by a variant often nicknamed Stratus started circulating. Early research has revealed that children who are infected ...

Add Yahoo as a preferred source to see more of our stories on Google. Getty Images An alleged warning has spread online for years about a supposed "new COVID-Omicron XBB variant" — a new strain of the ...

COVID-19 cases were relatively low across the country for most of the summer, but they’re now creeping up again. Data shows that this is thanks to the new COVID-19 variant XFG, nicknamed Stratus, ...

As the weather cools and fall approaches, COVID-19 cases are still spiking in much of the United States. The country has yet to emerge from a late summer COVID wave driven by the highly contagious new ...

The Stratus COVID-19 variant has been fueling a rise in cases across the country. Stratus is currently the dominant variant in the U.S. This variant is slightly more infectious than previous variants.

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 ...