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Tuesday, January 18, 2022

U.S. Experiences Its 1st Omicron Case, in a California Traveler

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WASHINGTON — The Omicron coronavirus variant was reported in the US for the primary time on Wednesday in a traveler who had been in South Africa, as scientists around the globe research whether or not the variant is extra transmissible or virulent than its predecessors.

The affected person, a resident of San Francisco, is in isolation, and aggressive contact tracing is underway, the Facilities for Illness Management and Prevention mentioned in an announcement. The particular person was absolutely vaccinated, although with out a booster shot, and was displaying delicate signs that have been bettering, the company mentioned.

The invention prompted the Biden administration to resume calls for everybody to get absolutely vaccinated and, if eligible, obtain a booster. It additionally got here because the C.D.C. requested airways for the names and make contact with info of all passengers who had boarded flights certain for the US since Nov. 29 and who had been in southern Africa up to now two weeks.

The World Well being Group has warned that the chance posed by the variant, which was first recognized in South Africa on Thursday, is “very excessive.” Greater than 20 nations have detected the variant.

California well being officers mentioned the state was rising coronavirus testing at airports, specializing in arrivals from nations recognized by the C.D.C. as potential sources of the variant. Gov. Gavin Newsom mentioned that California wouldn’t be intensifying public well being restrictions, at the least within the brief time period, however that “we must always assume that it’s in different states as nicely.”

“There is no such thing as a purpose to panic, however we must always stay vigilant,” he mentioned in an announcement. “The very best factor we will do is to get vaccinated when you haven’t already, get your booster, and put on your masks indoors. As we proceed to be taught extra about this variant, get examined if in case you have signs, and keep house when you’re sick.”

On Thursday, President Biden is predicted to announce methods the federal government will ramp up its combat towards the virus in the course of the winter months, together with harder worldwide journey restrictions and efforts to speed up vaccine and booster availability.

Solutions about whether or not Omicron is extra contagious or lethal stay elusive as scientists across the globe race to map its attributes — together with extra mutations than the Delta variant — and search to find out whether or not the vaccines will show efficient in defending individuals from an infection or severe hospitalization. Officers in South Africa have mentioned that they have no idea of any deaths related to the variant, however well being consultants say it’s too early to evaluate its true risks.

Nonetheless, Omicron’s emergence in the course of the vacation season, as People ready to assemble with relations, raised the grim prospect of one more surge in a pandemic that has severely examined the persistence of a weary public, induced unparalleled financial harm and stoked political division.

Talking to reporters shortly after the variant’s discovery was introduced, Dr. Anthony S. Fauci, the president’s prime medical adviser, expressed optimism that the US would finally emerge from the grip of the pandemic.

“This can finish,” he mentioned. “I promise you that it will finish.”

Public well being officers around the globe have mentioned for days that they anticipate the brand new, mutated type of the virus will rapidly discover its method to the US regardless of the imposition of a journey ban by the Biden administration and different governments on worldwide vacationers from eight southern African nations late final month.

Scientific affirmation of the variant’s presence in the US was nonetheless a jolt to Mr. Biden’s efforts to make good on his marketing campaign promise to deliver the pandemic to a swift and conclusive finish. On the White Home on Wednesday, he mentioned that “we’re studying extra each single day” and vowed that the administration would “combat this variant with science and velocity, not chaos and confusion.”

Shortly afterward, Dr. Fauci instructed reporters that affirmation of the brand new variant in the US ought to persuade unvaccinated People to get pictures instantly.

“We’ve 60 million individuals on this nation who usually are not vaccinated who’re eligible to be vaccinated,” he mentioned. “Let’s get them vaccinated. Let’s get the individuals vaccinated, boosted. Let’s get the youngsters vaccinated.”

Dr. Fauci additionally urged warning, saying there was a lot that well being officers didn’t know concerning the new variant.

“There’s quite a lot of info that’s now evolving,” he mentioned.

Scientists have mentioned that Omicron carries greater than 50 genetic mutations that in principle could make it extra contagious and fewer weak to the physique’s immune defenses than earlier variants. Greater than 30 of the mutations are within the virus’s spike, a protein on its floor. Vaccines prepare the physique’s immune defenses to focus on and assault these spikes.

Out there vaccines should still supply substantial safety towards extreme sickness and loss of life after an infection with the variant, and federal officers are calling on vaccinated individuals to obtain booster pictures. The makers of the 2 handiest vaccines, Pfizer-BioNTech and Moderna, are getting ready to reformulate their doses if obligatory, however that can take time.

In California, Mr. Newsom mentioned the contaminated particular person had not been hospitalized, and different individuals the person got here in touch with haven’t, at this level, examined constructive. The governor mentioned the affected person traveled from South Africa, landed in the US on Nov. 22 and began feeling delicate signs on Nov. 25. The particular person was examined for the coronavirus on Nov. 28 and acquired a constructive outcome a day later.

In a day, scientists on the College of California, San Francisco, had decided that it was the Omicron variant.

The particular person had acquired two doses of the Moderna vaccine however was inside the six-month window of its effectiveness and had not acquired a booster, Mr. Newsom mentioned.

Mayor London N. Breed of San Francisco mentioned in an announcement that town had “one of many highest vaccination charges and lowest loss of life charges within the nation due to the actions our residents have taken from the start of this pandemic to maintain one another protected.”

The town’s well being director, Dr. Grant Colfax, added that “we’re nonetheless studying concerning the Omicron variant, however we’re not again to sq. one with this illness.”

About 79 % of California residents have acquired at the least one dose of a coronavirus vaccine. Circumstances and hospitalizations have largely been trending downward after a summer time improve pushed largely by the Delta variant.

Within the Bay Space, the place counties have a number of the highest vaccination charges within the state, longstanding masks mandates had just lately been relaxed or lifted because the unfold of the virus slowed. Native governments within the state have begun to require companies to confirm vaccination standing for entry, and extra staff have been required to get their pictures — a development that officers have credited with serving to to sluggish the unfold.

All through the pandemic, San Francisco County has averted the disaster ranges that affected a number of the state’s different cities, like Los Angeles, as residents enthusiastically abided by restrictions, wore masks and acquired vaccinated. Seventy-seven % of the county’s residents are absolutely vaccinated, in accordance with its Division of Public Well being.

Dr. Bob M. Wachter, the chairman of the division of drugs at U.C.S.F., mentioned that the case wouldn’t be the final in California. However for now, he mentioned, “I’m not altering my conduct any primarily based on a single or a handful of circumstances.”

After information of the variant’s unfold in South Africa, nations around the globe curtailed air journey to and from the area — measures that officers there described as unduly punitive, particularly in mild of the truth that Western nations had didn’t ship adequate vaccines and logistical assist to the continent.

Nonetheless, the C.D.C. will toughen necessities for screenings and coronavirus testing, asking worldwide vacationers to offer a unfavourable outcome taken inside 24 hours earlier than departure. Mr. Biden plans to announce the transfer, in addition to an extension till mid-March of a masks requirement on airplanes and public transit and at airports and transit stations, as a part of his broader technique, an individual accustomed to the choice mentioned on Wednesday night time.

Although the company has but to announce any adjustments, vacationers have been left scrambling for pre-emptive checks and reservation adjustments.

“It’s a disgrace, as a result of journey simply opened up once more,” mentioned Giritharan Sripathy, who was scheduled to fly to New York from London on Thursday.

Dutch officers mentioned on Tuesday that that they had recognized circumstances of the variant every week earlier than Friday, when 13 passengers who arrived on flights from South Africa examined constructive for it, signaling that Omicron was already current within the Netherlands.

In South Africa, the variant accounts for a lot of the new each day circumstances reported within the nation’s most populous province, Gauteng, which is house to some 15 million individuals and the cities of Johannesburg and Pretoria.

On the White Home on Wednesday, Dr. Fauci mentioned he was “not so certain” that new testing necessities for worldwide vacationers, which administration officers are at present weighing, would have helped catch the case earlier. The affected person had taken a take a look at instantly after starting to expertise what he described as delicate signs.

Dr. Fauci added that it was attainable that the federal authorities might change its definition of “absolutely vaccinated” to require worldwide vacationers to have acquired booster pictures earlier than coming into the US.

Requested if People ought to be happy to attend vacation events and drink drinks unmasked, he mentioned it trusted the dimensions of the gathering.

“In a state of affairs with a vacation season, indoor-type settings with household that is vaccinated, those who , you possibly can really feel protected with not carrying a masks and having a dinner, having a reception,” Dr. Fauci mentioned. However in bigger public settings the place it’s unclear if everyone seems to be vaccinated, he mentioned, individuals ought to put on masks besides to eat or drink.

Michael D. Shear reported from Washington, Shawn Hubler from Sacramento, and Roni Caryn Rabin from New York. Reporting was contributed by Jim Tankersley and Sheryl Homosexual Stolberg from Washington, Jill Cowan from Los Angeles, and Aina J. Khan from London.

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