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 ...

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 know about symptoms and vaccines.

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 ...

The new variant has come out of seemingly nowhere, but now is fast becoming the dominant strain of the potentially deadly ...

A fresh variant of Covid, presenting distinct symptoms and swiftly becoming prominent across the globe, has been identified.

Scientists say the current COVID vaccine is effective against the Nimbus variant and is considered a “variant under ...

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

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

The NB.1.8.1 COVID-19 variant is now the dominant strain in the U.S., exhibiting symptoms similar to previous variants, including a uniquely severe sore throat.

Current COVID-19 tests are expected to detect the XEC variant and other strains in circulation, the experts say. People should test if they have COVID-19 symptoms or an exposure.

Breakthrough COVID deaths extremely rare 05:14. With the Delta variant now driving surges of COVID-19 cases worldwide, researchers are examining whether it's causing different symptoms from ...