The faster-spreading Omicron sub-variant is now estimated to make up more than half of coronavirus cases in the U.S.
A study found Israeli healthcare workers given fourth coronavirus vaccine shot at the height of Omicron were only marginally more protected against reinfection.
World Health Organization COVID-19 lead Maria Van Kerkhove said research into the hybrid variant is ongoing.
Governor Gavin Newsom said the coronavirus case rate had decreased by 65 percent since the Omicron variant's peak.
A healthy 27-year-old, Fabian Granado thought he was "invincible." Then, COVID almost took his life.
Alaska, Idaho, Kentucky, Minnesota, Montana, Tennessee, Washington, and Wyoming, have seen increases in daily coronavirus case average compared to 14 days ago.
Data from the HHS shows that Rhode Island currently has 95.68 ICU beds in use, including 42.45 percent of beds occupied by COVID-19 patients.
The variant, purportedly a mixture of Delta and Omicron, most likely does not exist and is the result of a standard lab error, virologists have told Newsweek.
As COVID cases surge in the U.S., an ER doctor has said vaccinated New Yorkers experienced less severe symptoms as a result of Omicron than unvaccinated peers.
Several coronaviruses have circulated among humans for decades. They hold clues about what might happen next.
Officials said a third of all reported cases since the beginning of the pandemic were in the past month, and several are linked to an outdoor concert.
The highly mutated and contagious Omicron variant has driven the country to record the most cases in a day that any country has reported.
Hospitalizations rose nearly 60 percent over the last week in New Jersey, from 3,000 to over 4,700, as some fear the state may top its record of over 6,200.
Several school districts in Michigan canceled classes Monday as COVID cases continue to rise across the state, with some districts opting for remote learning.
Winter storms and COVID-19 concerns have caused thousands of flights to be grounded across the U.S. in just the past few days.
Two recent studies investigate why Omicron might be milder than other COVID variants.
The CDC advised Americans to avoid cruises as COVID cases rise across the country, because Omicron could be highly transmissible in the confines of a ship.
Findings indicate that deaths resulting from COVID are a quarter of those seen in previous waves, but experts say this should be handled with caution.
"We're in the midst of a peak of transmission that we've never seen, most likely, this whole pandemic," state Health Officer Dr. Thomas Dobbs said.
900 flights have been canceled Wednesday due to harsh weather in some areas of the country, but mostly because of staffing issues caused by the Omicron variant.
Delta suggested the isolation period be cut from 10 days to five days less than a week before the CDC's decision.
Demographically, the residents of D.C. skew younger than the rest of the country. Younger people have been found to be more likely to transmit COVID-19.
Ralph MacIntosh has been accused of failing to self-isolate after being informed that he had returned a positive COVID-19 test
Over 120,000 Floridians tested positive for COVID over the past week, and 5,000 patients were hospitalized as likely COVID cases as Omicron continues to spread.
COVID pills could help reduce strains on hospitals, but it may require some Americans to weigh the risks of COVID-19 against the risk of the pill.
"Those are where we see most of our deaths—from patients who have been intubated in the ICU," Dr. Barbara Ducatman told Newsweek.
Omicron is the leading strain in the U.S., comprising 73 percent of new infections last week, according to the CDC.
Health care workers can return from isolating after a positive COVID test in seven days instead of 10 if they are asymptomatic and test negative.
Hawaii reported over 1,500 new cases Thursday after seeing an average of about 100 per day at the start of December, one of the biggest spikes in the country.
"The community is not as safe as it was a month ago, and you should consider that as you plan your activities," the St. Louis County Health Department said.