omicron variant

COVID-19 infections in the U.S. continue to rise, with omicron BA.5 causing an estimated 82% of cases, according to the Centers for Disease Control and Prevention (CDC). It [...]

ROCHESTER, Minn. —  The World Health Organization designated COVID-19 variant B.1.1.529, named omicron, a "variant of concern" on Nov. 26, 2021, and the first confirmed [...]

The highly transmissible omicron variant now accounts for almost all COVID-19 cases around the world, but a subvariant ― omicron BA.2 ― has emerged that [...]

As the U.S. nears a national peak in the surge of the omicron variant, many states are already seeing a decline in COVID-19 cases. Mayo [...]

Jan. 21 is the two-year anniversary of the first travel-related COVID-19 case reported in the U.S. In that time, medical experts at Mayo Clinic say [...]

The U.S. hasn't yet reached a national peak in the surge of the omicron variant. But experts say it is coming soon. COVID-19 cases are [...]

The rapid spread of COVID-19 due to the omicron variant continues, and experts expect a January surge across the U.S.

"This is spreading unlike anything [...]

Updated 12-30 for additional clarity

Due to the growing wave of infection from the omicron variant and the urgent need to strengthen all layers of protection [...]

DEAR MAYO CLINIC: I am 36 and work remotely. I have received a two-dose series of the COVID-19 vaccine, but as I am hearing more about [...]

The omicron variant has now been identified in at least 32 states, and experts believe it will become the dominant strain in the U.S. The [...]

More Americans are now eligible for COVID-19 booster doses as the Centers for Disease Control and Prevention approved the Pfizer vaccine booster for 16- and [...]

Researchers at Mayo Clinic and around the world continue to monitor the omicron variant and study how it behaves. Dr. Gregory Poland, head of Mayo Clinic's [...]