COVID-19 updates: Classes in Chicago canceled for 4th day
Chicago Public Schools has been in talks with teachers over COVID-19 safety.
As the COVID-19 pandemic has swept the globe, more than 5.4 million people have died from the disease worldwide, including over 837,000 Americans, according to real-time data compiled by Johns Hopkins University's Center for Systems Science and Engineering.
About 62.5% of the population in the United States is fully vaccinated against COVID-19, according to data from the Centers for Disease Control and Prevention.
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Omicron variant makes up 95% of COVID cases in US
The omicron variant accounts for 95% of all new COVID-19 cases in the U.S., according to data from the Centers for Disease Control and Prevention released Tuesday.
In early December, the highly transmissible variant made up 0.6% of new infections.
Meanwhile, the delta variant -- responsible for the summer surge -- makes up 4.6% of new cases, the CDC said.
The data also showed the omicron variant is dominant in all regions of the country. In the New York-New Jersey region and in the Southeast, the variant is linked to 98% of new infections.
-ABC News' Arielle Mitropoulos
UK records more than 200,000 COVID cases
The United Kingdom recorded more than 200,000 cases of COVID-19, according to the UK Health Security Agency.
The 218,724 new infections is the highest figure ever reported in a single day and an increase of nearly 60% from the number of cases reported on the same day last week.
However, there has been a backlog of data due to the holiday weekend so the number includes four days of data from Northern Ireland and two days of data from Wales, the UKHSA said.
-ABC News' Mike Trew
Sen. Rob Portman tests positive for COVID
Sen. Rob Portman, R-Ohio, tested positive for COVID-19 last night, according to a press release.
Portman took an at-home COVID test which came back positive. The senator said he is asymptomatic and feels fine.
"I have been in contact with the Attending Physician and my personal doctor. I am following their medical advice and following CDC guidelines and isolating for the recommended five days," Portman said in the statement.
He will be working remotely this week, but will not be able to be in Washington, D.C., for votes.
Sweden's King and Queen test positive for COVID-19
Sweden's King Carl XVI Gustaf and Queen Silvia tested positive for COVID-19 last night, according to a palace statement.
Both are fully vaccinated and have received a third booster shot.
The king and queen said they have mild symptoms and are feeling well, in the statement.
They are isolating at home and contact tracing is ongoing.
New York orders 40 hospitals to halt elective surgeries
The state of New York has told 40 hospitals they must turn away nonessential, nonurgent elective surgeries for the next two weeks in response to low bed capacity. Most of the hospitals are located in upstate New York.
The determination was made after the hospital locations were added to the list of "high risk regions" by the state department of health due to 90% of beds being occupied according to the seven-day average.
"We will use every available tool to help ensure that hospitals can manage the COVID-19 winter surge," acting State Health Commissioner Dr. Mary Bassett said in a statement Saturday. "I want to remind New Yorkers that getting vaccinated and boosted remain the best way to protect against serious illness and hospitalization from COVID-19. Vaccination also protects our hospital system. We cannot return to the early months of the pandemic when hospitals were overwhelmed."
All of the hospitals in three regions -- Mohawk Valley, Finger Lakes and Central New York -- are included in those 40 facilities.