COVID-19 updates: New Zealand imposes restrictions amid omicron outbreak

The country's PM also postponed her wedding due to the rise in cases.

As the COVID-19 pandemic has swept the globe, more than 5.5 million people have died from the disease worldwide, including over 865,000 Americans, according to real-time data compiled by Johns Hopkins University's Center for Systems Science and Engineering.

About 63.3% 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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Wastewater data finds omicron may have been in US as early as Nov. 21

A new CDC study finds that the omicron variant was likely in the U.S. more than a week before the first case was detected.

The first official case was detected on Dec. 1 in California. But a review of the national wastewater surveillance system indicates that the variant could have been present as early as Nov. 21, according to samples collected in New York City.

-ABC News' Arielle Mitropoulos, Sony Salzman


Hospitalizations at record high, cases dropping in some areas

More than 160,000 COVID-19-positive Americans are currently in hospitals -- a pandemic high and double the number from about three weeks ago, according to federal data.

It's still not clear how many were admitted with COVID-19 and how many tested positive for the virus after they were admitted for other reasons.

The U.S. is reporting an average of 760,000 new cases per day, according to federal data.

Although case levels remain high, there's growing evidence to suggest the omicron surge is receding in the parts of the country first struck by the variant.

In New York, daily cases have dropped by 33% in the last week, while in New Jersey new cases are down by 43.7%.

Wisconsin now leads the nation in new cases per capita, followed by Rhode Island, Utah and South Carolina.

-ABC News' Arielle Mitropoulos


San Francisco appears to pass peak of omicron surge: Officials

In San Francisco, COVID-19 cases are "dropping rapidly" following record highs that appeared to peak on Jan. 9, officials announced.

While "cases are still extremely high," they "have plateaued and are starting to go down," said Dr. Grant Colfax, director of the Department of Public Health.

"We're looking at data from other places … the consistent data seem to show that cases go up very fast, they started to come down very fast. So we're on that downward trend now," Colfax said.


Austria becomes 1st European country to mandate vaccines for all

Austria's parliament voted Thursday to mandate vaccinations for all adults, making Austria the first country in Europe to mandate the vaccine for all eligible residents.


According to the Austrian Health Ministry, 72% of the country's population is fully vaccinated.

The COVID-19 Vaccination Act will go into effect on Feb. 1. Beginning March 15, reminder letters will be sent to those who remain unvaccinated. Noncompliance can result in a fine.

Exempt from the new law are: minors, pregnant women, those who had COVID-19 within 180 days and people with medical exemptions.

-ABC News' Christine Theodorou