China is threatening to take "firm countermeasures" against the U.S. if the Biden administration decides to go ahead with a possible diplomatic boycott of Beijing Winter Olympic Games in February

At least one of the infections on the Norwegian Breakaway was a crew member suspected of having the new Omicron variant.

Preliminary data is starting to emerge that could give us a clearer picture of the omicron Covid variant.

The top US medical doctor said "thus far" there didn't seem a "great degree of severity" to Omicron, which is more mutated than the Delta variant.

While questions remain about the effectiveness of current vaccines in protecting against the new Omicron COVID-19 variant, experts insist that anyone who is eligible should still get their booster shot.