It may be summer, but COVID-19 is surging in the San Francisco Bay Area.

A new Covid-19 variant, Stratus (XFG or XFG.3), also known as “Frankenstein” due to its recombinant nature, has been ...

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

A new COVID-19 variant named "Nimbus" has been detected in the U.S. and is spreading rapidly. Here's what to know about ...

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.

Scientists are currently studying how well people are protected against severe disease from XFG. Researchers conducted lab ...

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A new COVID-19 variant, NB.1.8.1, is rapidly spreading across Gulf countries, raising alarms as infections surge and ...

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

It is unknown whether the newest COVID-19 variant NB.1.8.1, also known by the nickname “razor throat” for one of its defining ...

A summer wave of Covid-19 is hitting parts of the US, driven by the Nimbus variant. Here's what to know about symptoms, its spread, and how to stay safe.

As Professor of Infectious Diseases and Microbiology Paul Griffin explains in a recent piece for The Conversation, Stratus is ...