Japan suspends new flight reservations as omicron spreads

Those who have already made reservations are not affected, although flights may be canceled if there are insufficient passengers, the Ministry of Land, Infrastructure, Transport and Tourism said. Japan is a major transit hub for flights to and from Asia, and its huge importance economically means that its actions could have a wider influence. Transit flights won’t be affected.

The decision comes as Japan confirmed a second case of the omicron variant in a person who arrived from Peru, one day after it reported its first case in a Namibian diplomat.

Japan banned all foreign visitors starting Tuesday as an emergency precaution against the new variant. The ban tentatively extends through the end of the year. The government is also requiring Japanese citizens arriving in the country to quarantine for up to 14 days.

The World Health Organization warned Monday that the global risk from the omicron variant is “very high” based on early evidence, saying it could lead to surges with “severe consequences.”

Recent findings indicate the mutant coronavirus was already in Europe close to a week before South Africa sounded the alarm.

That indicates omicron had a bigger head start in the Netherlands than previously believed.

The finding illustrates the difficulty in containing the virus in an age of jet travel and economic globalization. And it left the world once again whipsawed between hopes of returning to normal and fears that the worst is yet to come.

The pandemic has shown repeatedly that the virus “travels quickly because of our globalized, interconnected world,” said Dr. Albert Ko, an infectious disease specialist at the Yale School of Public Health. Until the vaccination drive reaches every country, “we’re going to be in this situation again and again.”

Brazil, which has recorded a staggering total of more than 600,000 COVID-19 deaths, reported finding the variant in two travelers returning from South Africa — the first known omicron cases in Latin America. The travelers were tested on Nov. 25, authorities said.

France recorded its first case, in the far-flung island territory of Reunion in the Indian Ocean. Authorities said the patient was a man who had returned to Reunion from South Africa and Mozambique on Nov. 20.

Dr. Anthony Fauci, the United States’ top infectious disease expert, said much more will be known about omicron in the next several weeks, and “we’ll have a much better picture of what the challenge is ahead of us.”

In the meantime, a WHO official warned that given the growing number of omicron cases in South Africa and neighboring Botswana, parts of southern Africa could soon see infections skyrocket.

“There is a possibility that really we’re going to be seeing a serious doubling or tripling of the cases as we move along or as the week unfolds,” said Dr. Nicksy Gumede-Moeletsi, a WHO regional virologist.

Cases began to increase rapidly in mid-November in South Africa, which is now seeing nearly 3,000 confirmed new infections per day.

Among the other countries with cases confirmed are Britain, 11 European Union nations, Australia, Canada and Israel. American disease trackers said omicron could already be in the United States, too, and probably will be detected soon.

“I am expecting it any day now,” said Scott Becker of the Association of Public Health Laboratories. “We expect it is here.”

While the variant was first identified by South African researchers, it is unclear where and when it originated, information that could help shed light on how fast it spreads.

The announcement from the Dutch on Tuesday could shape that timeline.

Previously, the Netherlands said it found the variant among passengers who came from South Africa on Friday, the same day the Dutch and other EU members began imposing flight bans and other restrictions on southern Africa. But the newly identified cases predate that.

NOS, the Netherlands’ public broadcaster, said that one of the two omicron samples came from a person who had been in southern Africa.

Many health officials tried to calm fears, insisting that vaccines remain the best defense and that the world must redouble its efforts to get the shots to every part of the globe.

After COVID-19 led to a one-year postponement of the Summer Games, Olympic organizers began to worry about the February Winter Games in Beijing. Chinese Foreign Ministry spokesperson Zhao Lijian said omicron would “certainly bring some challenges in terms of prevention and control.”

World markets seesawed on every piece of medical news, whether worrisome or reassuring. Stocks fell on Wall Street over virus fears as well as concerns about the Federal Reserve’s continued efforts to shore up the markets.

Some analysts think a serious economic downturn will probably be averted because many people have been vaccinated. But they also think a return to pre-pandemic levels of economic activity, especially in tourism, has been dramatically delayed.

Japan on Wednesday started offering coronavirus vaccine booster shots to health care workers amid growing concerns over the new variant.

Japan’s vaccination rollout got off to a slow start but surged from late May, and now about 77% of the population has been fully vaccinated — a main reason experts cite for Japan’s steady slowing of infections since September.

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AP journalists from around the world contributed to this report.

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