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.

Stratus has two variants, XFG and XFG.3, which currently account for around 30 percent of Covid-19 cases in England, ...

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

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

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

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

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

The latest COVID strain, Stratus, is marked by a distinctive symptom that differentiates it from previous variants—a hoarse ...

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The latest data by the UK Health Security Agency (UKHSA) has shown that the Stratus variant is now the dominant strain in ...

A new strain of Covid, with a unique symptom, is circulating in the UK, accounting for a high proportion of cases in England. The new strain, called Stratus, has two variants, XFG and XFG.3, with ...

A new strain of the coronavirus, first identified in the U.K., has now been reported in Connecticut, Pennsylvania and Texas. Here's what to know.