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.

The Stratus displays symptoms akin to those seen in past Omicron subvariants, with common indicators including a ...

XFG is part of the Omicron family, of which there are now more than 1,000 known subvariants, but it’s rising rapidly 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 COVID-19 variant named "Nimbus" has been detected in the U.S. and is spreading rapidly. Here's what to know about ...

Intense throat pain is a key symptom of COVID-19 variant NB.1.8.1, referred to as "razor blade throat." Here's what to know.

A new 'super-contagious' Covid variant dubbed 'Frankenstein' is sweeping the UK - but how do you know if you've got it and is ...

Sharp throat pain that feels like swallowing razor blades—this symptom is particularly noticeable in infections with the new ...

Vaccine effectiveness of primary series COVID-19 vaccines against severe disease when the omicron variant was predominant was lower than that observed pre-omicron but showed little decline after ...

If you have any COVID symptoms, such as sore throat, fatigue, cough or fever, take a test to see if you have COVID. If you ...

What Is the “Razor Blade” Sore Throat The “razor blade” sore throat is a term used to describe the excruciating throat pain caused by the Nimbus variant of COVID-19.