The delta variant is fueling the COVID-19 surge in the United States, but experts warn that a more dangerous variant could emerge if more Americans don't get vaccinated. Delta is the most recent of ...

(WPIX) – At least two new COVID-19 variants have hit the United States, and they could be worse than the delta variant in their infectiousness and ability to stand up to vaccines, according to a top ...

The new Covid variant is continuing to proliferate around the U.S. — although you might not know it by just checking federal variant-tracking dashboards. Known as NB.1.8.1, the omicron variant has ...

The World Health Organization has added the "mu" strain to its list of COVID-19 "variants of interest." The strain, also know as B.1.621, was first documented in Colombia in January 2021 but didn’t ...

Cases of the new COVID-19 variant NB.1.8.1, a descendent of the Omicron variant, are on the rise in some parts of the world, according to the World Health Organization (WHO). Currently, there are not ...

A painful sore throat, often referred to as "razor blade throat", is just one of the symptoms of a new COVID-19 variant. This variant is currently being monitored by the World Health Organization.

A new COVID-19 variant has reared its ugly head and is climbing the ranks in the United States. So much so that it’s become the third-most common strain of the summer. Variant XFG, also known as ...