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

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 new COVID variant called Stratus—specifically its XFG.3 subvariant—accounts for 30% of UK cases and may cause a hoarse ...

By Jack Phillips Contributing Writer At least 21 states are reporting a COVID-19 variant that spread across China earlier this year, according to newly updated data provided by a private company. […] ...

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 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.

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

The World Health Organization has added the variant, known formally as XFG, to its monitoring list. A dry, irritated throat ...

Once again, a new strain of COVID has hit the country, and that includes Rhode Island. According to the Centers for Disease ...

COVID variants of concern. Experts use a rating system to determine how carefully a variant needs to be watched. A strain will be labeled a variant of concern, or VOC, if, ...

Covid-19 variants are “accumulating mutations that do one of two things: They either cause antibodies that you’ve accumulated from vaccination or infection to no longer bind to the to the ...

The Covid-19 variant KP.2 has become the dominant strain in the US in recent weeks.We talked to our wellness expert to learn how this new strain is different from its predecessors.