Genetic epidemiologists have found evidence suggesting that the omicron variant did not emerge from the delta variant.

​​The number of recent influenza cases is typical for this time of year, but the last time flu cases reached this level was before the coronavirus pandemic began.

At least 2,400 more flights were canceled globally on Monday, including about 900 U.S. flights.

A computational biologist thinks potentially half the globe may contract Omicron over the coming weeks and months.

The omicron wave appears to have peaked and is already subsiding in South Africa, with a relatively minor impact on their healthcare system. However, the positive rate is still around 29%, suggesting high circulation among their population. other fluctuations.

Omicron is now the most common variant among new Covid cases in the U.S., accounting for nearly three-quarters of new infections.

The Netherlands is requiring all nonessential businesses to close until at least January 14 to reduce transmission of omicron.

Research shows an increased potential for spread through aerosols.

Omicron will likely become the dominant strain across the majority of the US by Christmas but Prizer's new Covid pill offers a glimmer of hope in staving off severe illness.