Although details about the omicron variant are sketchy, a picture is starting to emerge – and it's not all bad news. As the omicron variant sweeps across the world and pushes out the delta ...

The Omicron variant of COVID-19 multiplies roughly 70 times faster than the Delta but could lead to less severe infections because of its slow growth in the lungs, researchers found.

Which is more dangerous — COVID-19 variants omicron or delta? Here’s what research suggests, so far.

Scientists at the University of Hong Kong compared Omicron's behavior in tissue samples to that of Delta and another type of the coronavirus.

Six weeks after it was first reported in South Africa on Nov. 24, the omicron variant of the coronavirus is sweeping away the previous delta variant. Does that mean that omicron will wipe out ...

The omicron variant multiplies 70 times faster in the human bronchial tubes than the initial COVID-19 or the delta variant, according to a new study.

Although the omicron coronavirus variant is the most prevalent in the U.S., the delta variant is still dominating certain regions, according to the CDC’s recent data.

Two new British studies provide some early hints that the omicron variant of the coronavirus may be milder than delta.

The CHI Health doctors are cautiously hopeful the downward trend continues. Cautious because the last time we saw a trend like this, delta reared its ugly head.

Two key issues will determine the fate of Omicron: how transmissible it is and how well it evades the body’s immune system.

Doctors weigh in on how the Omicron variant is different than Delta variant, if a new vaccine will be required, and whether or not omicron may be "worse" than delta.

The Omicron variant infects around 70 times faster than Delta and the original COVID-19 strain, though the severity of illness is likely to be much lower, according to a University of Hong Kong ...