COVID-19 cases are rising this summer across much of the United States, with 27 states reporting growing or likely growing ...

The JN.1 variant, which spread globally over the winter, made up about 16% of COVID-19 cases in the U.S. in the same two-week span.

As summer continues, something to watch out for is the highly contagious, new strain of COVID-19 called NB.1.8.1 or 'nimbus.' ...

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

COVID-19 cases are growing in Texas as a summer surge sweeps across the U.S. A new variant includes "razor blade throat" and ...

The XFG variant is a descendant of the Omicron sub-variant. According to a Lancet report, it was first detected in Canada.

Virologists describe Nimbus as a “slightly upgraded” version of its predecessor, with a nasty signature some are calling ...

A COVID-19 variant once considered rare has tripled in U.S. cases in the past two weeks, according to the Centers for Disease Control and Prevention. The mutated strain, called BA.2.86, accounts ...

At the worst point of the summer wave, COVID-19 hospitalizations hit 7,170 in the state, but this month they were more than three times worse, with hospitalizations climbing to 21,936 on Jan. 6.

A new global study found that COVID-19 vaccines saved more than 2.5 million lives worldwide between 2020 and 2024 — and nearly 9 out of 10 of those lives were people aged 60 and older.

The United States is working to quickly learn more about the newly identified coronavirus variant B.1.1.529, which was first identified in South Africa.

A new, more contagious and potentially more deadly Covid-19 variant called B.1.1.7 is spreading across the US. But the currently authorized vaccines should be able to stop it.