Omicron has highlighted that it is still possible for fully vaccinated people to catch the virus.
"There's a storm coming and we need to get in our safe place, and the safest place we can be is with vaccines," infectious disease expert Dr. Michael Saag said.
"I just want to emphasize there is nothing more American than coming together to ensure we are taking care of each other," Boston Mayor Michelle Wu said.
Flu shots are updated annually to protect against new forms of the virus that arise.
The pandemic is getting worse again here in the United States. At the time of this writing, average daily cases in the U.S. are up by almost 50 percent over just 14 days.
He predicted a "tough few weeks to months" on Sunday while calling the extent of mutations in Omicron "unprecedented."
"I know people are tired of this," Francis Collins said Sunday. "But the virus is not tired of us."
On Saturday, New York broke a record for daily new COVID case for a second day in a row, though cases appear to be more mild with Omicron.
Prime Minister Mark Rutte said Saturday that failure to take precautions now would result in "an unmanageable situation in hospitals."
The judge said that one of the kids "suffers from vaccine anxiety" after receiving false information from the father.
"Once you're vaccinated and then exposed to the virus, you're probably going to be reasonably well-protected from future variants," an author of the study said.
A U.K. scientist has said that people who catch Omicron seem likely to have cold-like symptoms.
This week's FDA decision legalizes mail-order abortion. This will not "empower" women, as some suggest.
A CDC advisory body will meet to discuss the J&J COVID vaccine and a side-effect seen in 54 out of 16.4 million people who have received the shot.
The president said his administration will pay for debris removal, the cost of overtime for law enforcement and emergency personnel and more.
One of the scientists who first identified Omicron has criticized policy responses, but other researchers have told Newsweek they welcome a cautious approach.
AccuWeather Chief Meteorologist Jonathan Porter said that "additional injuries and sometimes fatalities" are often seen in the aftermath of a storm like this.
The Bahamian government has implemented certain travel restrictions to minimize the spread of COVID.
The variant of concern is predicted to overtake Delta in some regions, and evidence continues to emerge about the risks it can pose.
The medic criticized restrictions in response to Omicron, but her comments have been dismissed as "the most dangerous kind of message" and "utter rubbish."
"We just don't want to go back to where we were a year ago and it's really not that much of a burden to ask people to be vaccinated," said Philadelphia Mayor Jim Kenney.
New Zealand health officials are investigating the alleged fraudulent vaccination-by-proxy scheme.
School districts across Missouri are divided as to whether they will comply with the letter or continue enforcing mask mandates and quarantine policies.
WHO COVID technical lead Maria Van Kerkhove has cautioned against referring to Omicron's symptoms as "mild" following some early data on its severity.
Some researchers expressed cautious optimism about a small study showing that the variant does not completely escape vaccine immunity.
For a while there, it looked like we were on the COVID exit ramp. Now it seems we're likely to exhaust the Greek alphabet labeling variants.
Scientists have stressed the importance of booster shots as the COVID vaccines become less effective over time.
As COVID cases hit their highest level for two months, only a quarter of U.S. adults have had a booster shot.