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

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

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

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.

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 variant, NB.1.8.1, has been identified as the cause of Covid-19 resurgence in China and several other Asian countries. Experts in Europe are predicting a possible increase in cases there.

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.

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.

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.

If you are infected with COVID-19, these droplets will contain the coronavirus. If you are infected with a variant that increases transmission, there could be more virus in each of these droplets.