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

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.

A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to ...

A new Covid-19 variant, officially known as NB.1.8.1 and nicknamed Nimbus, is now the most common strain in the US, according to the US Centers for Disease Control and Prevention.

GEORGIA — A new variant of COVID-19 dominant in China is circulating in other parts of the world, including the United States, and it could affect Georgia residents, some health officials warn.

A positive COVID-19 test result is not something that anyone wants to see ... Now, though, some people infected with COVID in China are reporting a very sore throat that’s been nicknamed “razor blade ...

What to know about COVID symptoms, testing and incubation as the new "razor blade throat" Nimbus variant has caused a summer 2025 spike.

Highlights Global COVID-19 activity has surged since mid-February 2025, with test positivity rates reaching 11%. New COVID-19 ...

COVID-19 infections are rising sharply across GCC countries, with Saudi Arabia and the UAE among nations driving a global ...

A new COVID-19 variant that was unheard of just months ago is now projected to be the second-most common strain in the United States. Variant NB.1.8.1 was first detected in China in January but ...

A new version of COVID-19 that hardly anyone had heard of a few months ago is spreading quickly in the nation after first being detected in China earlier this year. The variant, called NB.1.8.1 or ...

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