The omicron variant of the coronavirus has been dominant in the U.S. since December, but the version of omicron that drove the major infection surge during the winter now accounts for less than 2 ...

During a briefing Monday morning, Hochul urged calm amid the spread of Omicron and made clear that her ultimate goal is to avoid shutting down New York's economy and institutions, ...

Moderna’s Omicron-adapted COVID-19 vaccines appear to reduce the risk of hospitalization and death in adults who are not ...

As health officials scramble to minimize spread of the highly contagious Omicron variant, many experts have recommended that people switch from cloth or surgical masks to more-protective N95 and KN95 ...

Omicron and its growing family of subvariants has left Americans wondering whether they have enough immunity to protect against the ever-changing virus. Two subvariants — BA.4 And BA.5 — are spreading ...

In about a month it will be the first anniversary of when the omicron variant of COVID-19 shook governments and public health services around the world. Since then, omicron has had many subvariants, ...

Sanjaya Senanayake does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

The Omicron variant spreads easier than other variants of coronavirus, and people can get it twice. Reinfection is possible even if a person has already had this virus or is fully vaccinated. Several ...

In November, a new coronavirus variant took the world by storm. Omicron has since caused an unprecedented wave of infections, striking about 90 million people in just 10 weeks. That’s more COVID-19 ...