The World Health Organization has classified XFG as a “variant under monitoring,” but there are no signs of greater disease severity associated with the new strain.

A new Covid variant called Stratus or XFG is spreading across 38 countries. The World Health Organisation is monitoring this ...

A new strain of COVID-19, XFG, is spreading rapidly across the world, including in the United States. Anecdotally, people who ...

Scientists are currently studying how well people are protected against severe disease from XFG. Researchers conducted lab studies using human cells and a "pseudovirus" stand-in for XFG, as well as ...

COVID-19 cases are rising in half of U.S. states. What to know about COVID trends and the new Stratus and Nimbus variants.

XFG (Stratus) is the latest subvariant of Omicron that is gaining momentum in the summer surge of the pandemic. However, ...

Variant NB.1.8.1 accounted for 0% of U.S. cases in April. By mid-June, it was estimated to be the cause of around 37% of cases.

Covid-19 cases are rising again in 25 US states, driven by new variants like NB.1.8.1 (Nimbus) and XFG (Stratus). Experts ...

A new, highly contagious Covid-19 strain has emerged globally as thousands of Australians prepare to travel overseas.

According to a Johns Hopkins report, several virological, behavioural, and environmental factors drive summer Covid-19 waves.

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“One of the most noticeable symptoms of the Stratus variant is hoarseness, which includes a scratchy or raspy voice," ...