From Stratus to Cicada, several variants are on the radar as COVID-19 activity rises, impacting how the virus spreads, its ...

Sometimes referred to as ‘Stratus’ or the ‘American strain’, the variant first identified in January 2025 has since spread ...

Most covid-19 cases are caused by a particular type of variants, but do we need to worry every time a new one emerges?

The XFG variant is not a new, supercharged strain, but rather a recombinant variant that virologists have been tracking ...

XFG, nicknamed ‘American COVID’ or Stratus, is a recombinant SARS-CoV-2 variant from the Omicron lineage. Experts said there ...

Brits reported being left unwell for weeks after contracting the XFG, or 'American' version of Covid, which UKHSA data shows ...

Diagnoses of the bug are at their highest level since October 2025 and rising levels of Britons are being admitted for care.

XFG COVID cases are rising in England, but experts say the variant has not been shown to cause more severe disease.

What are the symptoms of the XFG Covid variant? The XFG strain, which has also been nicknamed 'American Covid', is a ...

American Covid has sparked 'wear mask' advice.

Cases of "American Covid" are on the rise in the UK. The latest strain of the virus, officially called XFG or Stratus, comes ...

The strain, also referred to as XFG or Stratus Covid, can cause unique symptoms to other strains - which we look at below ...