As the weather begins to change and respiratory illnesses become more common, a highly transmissible strain of COVID-19 is on the rise across the United States.

On the 1st of October, 2025, reports of a new wave of COVID infections being driven by a variant often nicknamed Stratus ...

The XFG variant, also known as Stratus, is now the predominant COVID-19 strain in the U.S. after spreading to 38 countries, ...

The new COVID-19 variant XFG, or "Stratus," has been making its way across the United States and Oklahoma. Here's what to know about the new variant.

The XFG COVID-19 variant, aka "Stratus," is spreading rapidly in the U.S. as cases climb. Here's what to know about symptoms ...

Covid cases are increasing across the UK as Nimbus and Stratus become the most commonly detected strains this autumn.

As flu season arrives, a new highly infectious COVID-19 variant, Stratus (XFG), is driving a surge in US cases, first ...

COVID-19 cases are surging across the US, driven by new variants like the highly transmissible Nimbus (NB.1.8.1). This Omicron subvariant, first detected in 2025 in China, causes a distinct ...

As respiratory illness season begins, COVID cases have remained under control in the U.S. Here's what to know.

The World Health Organisation (WHO) is monitoring a new, highly transmissible Covid-19 strain, 'Stratus', currently increasing in the US and UK.

This variant is slightly more infectious than previous variants. 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 ...