Omicron updates: COVID outbreak reported on cruise ship docking in New Orleans

At least 10 people on board have tested positive for the virus.

ByMorgan Winsor, Emily Shapiro, Meredith Deliso, and Ivan Pereira
Last Updated: December 6, 2021, 5:07 AM EST

As the COVID-19 pandemic has swept the globe, more than 5.2 million people have died from the disease worldwide, including over 785,000 Americans, according to real-time data compiled by Johns Hopkins University's Center for Systems Science and Engineering.

Just 59.6% of the population in the United States is fully vaccinated against COVID-19, according to data from the Centers for Disease Control and Prevention.

Latest headlines:

Here's how the news developed. All times Eastern.
Nov 30, 2021, 5:16 AM EST

Japan confirms 1st case of omicron variant

Japan confirmed on Tuesday its first case of the omicron variant, according to Chief Cabinet Secretary Hirokazu Matsuno.

Matsuno told a press conference that the patient is a man in his 30s who tested positive for COVID-19 upon arrival at Japan's Narita International Airport on Sunday after traveling from Namibia. A genome analysis confirmed Tuesday that he was infected with the new variant, which was first identified in southern Africa last week.

PHOTO: A notice about COVID-19 safety measures is pictured next to closed doors at a departure hall of the international airport in Narita, Japan, on Nov. 30, 2021, on the first day of closed borders to prevent the spread of the omicron variant.
A notice about COVID-19 safety measures is pictured next to closed doors at a departure hall of Narita International Airport in Narita, east of Tokyo, Japan, on Nov. 30, 2021, on the first day of closed borders to prevent the spread of the new omicron variant.
Kim Kyung-hoon/Reuters

The man was isolated and is being treated at a hospital, according to Matsuno, who refused to disclose the patient's nationality. His travel companions and the passengers who sat nearby have been identified and referred to Japanese health authorities, Matsuno said.

Earlier this week, Japan announced that it will ban all foreign visitors starting Tuesday as an emergency precaution against omicron, which the World Health Organization has classified as a "variant of concern." The government is also requiring Japanese nationals and foreigners with resident permits to quarantine 14 days upon entry.

-ABC News' Anthony Trotter

Nov 29, 2021, 7:04 PM EST

3rd omicron case detected in Canada

A third person in Canada has tested positive for the omicron COVID-19 variant, health officials announced Monday.

The province of Quebec has confirmed its first case of the variant, Quebec Health Minister Christian Dube told reporters at a press conference in Montreal.

The woman who tested positive had traveled to Nigeria, said Canada Director of Public Health Dr. Horacio Arruda.

Two cases of the variant had been previously detected in Ontario, officials said Sunday.

-ABC News' Darren Reynolds

Nov 29, 2021, 6:06 PM EST

Pfizer to ask FDA to authorize boosters for people 16-17: Source

Pfizer is going to ask the Food and Drug Administration in the coming days to authorize COVID-19 booster shots for 16- and 17-year-olds, a source familiar with the discussions confirmed to ABC News.

This would expand booster access from everyone over 18 to everyone over 16.

Pfizer vaccines were authorized for adolescents in May, so many fully vaccinated people are nearing their six-month mark amid growing concern over the omicron variant.

-ABC News' Cheyenne Haslett

Nov 29, 2021, 4:15 PM EST

CDC strengthens booster recommendations 

The Centers for Disease Control and Prevention on Monday strengthened its recommendation on booster doses for adults. 

Robert Baird, of Centereach, is given a booster shot as members of the community are administered the COVID-19 vaccination and booster in Stony Brook, N.Y., Nov. 17, 2021.
Steve Pfost/Newsday via Getty Images

The previous recommendation was that all adults 50 and older should get a booster, and those 18 to 49 may want to get boosters. Now, the CDC says all adults should get a booster shot six months after their Pfizer or Moderna vaccines or two months after the Johnson & Johnson shot.

CDC director Rochelle Walensky said, "I strongly encourage the 47 million adults who are not yet vaccinated to get vaccinated as soon as possible and to vaccinate the children and teens in their families as well because strong immunity will likely prevent serious illness."

-ABC News' Eric M. Strauss

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