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What we know about U.S. omicron cases

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A COVID-19 trying out facility is marketed at Newark Liberty Global Airport on November 30, 2021 in Newark, New Jersey.

Spencer Platt | Getty Pictures

Greater than 20 other people in a minimum of 12 U.S. states have examined certain for the omicron variant of the virus that reasons Covid-19. The sufferers vary in age, vaccination standing and journey historical past, however none of them have advanced serious illness thus far.

Whilst some sufferers had not too long ago traveled in southern Africa, the place the variant was once first detected, others had no journey historical past, indicating that neighborhood transmission is underway within the U.S.

“We completely have neighborhood unfold on this nation,” Dr. Anthony Fauci informed Bloomberg Tv on Friday. “We do not understand how a lot of them, however there is not any doubt there may be neighborhood unfold.”

Scientists and public well being officers are nonetheless accumulating knowledge on whether or not omicron is extra transmissible, higher evades immune defense from vaccines, and/or reasons extra serious illness than different variants.

Those that have examined certain within the U.S. have all proven gentle to reasonable signs and not one of the sufferers had been hospitalized thus far, in line with essentially the most present data from state public well being departments. On the other hand, gentle instances of Covid can development to extra serious illness over the years.

Lots of the individuals who have examined certain within the U.S. have been absolutely vaccinated. A minimum of two of the sufferers who have been immunized had now not gained booster pictures but, however someone else had gained their further dose. And in a minimum of one case, an individual who had prior to now recovered from Covid examined certain for omicron.

Whilst the handful of instances within the U.S. do not supply any definitive solutions about omicron, the Global Well being Group stated Friday that early knowledge suggests the virus is extra contagious. And South African scientists revealed a learn about, which has now not but been peer reviewed, that discovered omicron carries a better possibility of reinfecting individuals who prior to now stuck Covid than previous variants.

Despite the fact that one of the individuals who examined certain for omicron have been absolutely vaccinated, the reality that they have got advanced gentle signs means that the pictures are nonetheless offering defense in opposition to serious illness from the variant, U.S. well being officers stated. Fauci stated Friday all over a White Space Covid briefing that lab research point out booster pictures build up antibody defense in opposition to a variety of variants.

“There is each and every reason why to consider that in the event you get vaccinated and boosted that you’d have a minimum of some extent of cross-protection,” Fauci stated, “very most probably in opposition to serious illness, even in opposition to the omicron variant.”



On Thursday morning, Colorado showed a case of omicron in a completely vaccinated grownup girl who had now not gained a booster shot. The girl, like the primary case in California, had a contemporary journey historical past to southern Africa, the place the variant was once first detected. She is experiencing minor signs and is improving at house, according to Colorado’s health department.

Gov. Jared Polis informed citizens all over a press convention Thursday that well being officers consider neighborhood unfold is low in Colorado at the present time. Well being officers have now not but detected omicron thru wastewater research, and they have got now not detected a 2d case thru genetic sequencing but.

“So if it was once prevalent, we’d know — it does not imply it is nonexistent,” Polis stated.



Maryland on Friday showed 3 other people from the Baltimore metro space examined certain for omicron. Two of the persons are from the similar family, a vaccinated one that had not too long ago traveled to South Africa and an in depth touch of that one that was once unvaccinated. The 3rd case was once in a vaccinated one that had no identified contemporary journey historical past, in line with state officers.

“Not one of the 3 people are hospitalized,” Gov. Larry Hogan stated in a press unlock.


The Massachusetts Division of Public Well being introduced the state’s first omicron coronavirus case on Saturday.

The inflamed individual is a feminine in her 20s who traveled out of the state. Officers stated she is absolutely vaccinated, skilled gentle illness and didn’t require hospitalization.



A St. Louis resident with contemporary home journey historical past is presumed certain for omicron, the Missouri state well being division stated Friday. The pattern was once sequenced via a business lab and is looking ahead to affirmation via the Facilities for Illness Keep an eye on and Prevention.

The Missouri state well being division didn’t supply data at the particular person’s age, vaccination historical past or signs. Spokeswoman Lisa Cox informed CNBC Saturday the state has no additional data right now.


Nebraska showed six omicron instances Friday, in a transmission chain that looks to have began with an individual who not too long ago traveled to Nigeria. The opposite 5 other people have been most probably uncovered thru family touch with the one who had traveled to Africa, in line with the state well being division. Most effective probably the most six other people was once vaccinated, however none of them have required hospitalization.

New Jersey

The New Jersey Division of Well being has showed a case of omicron in a traveler from Georgia who was once not too long ago in South Africa. The grownup girl, who’s absolutely vaccinated, skilled reasonable signs and is now improving after receiving care in an emergency division in northern New Jersey, in line with state well being officers.

New York

New York has recognized 8 instances general of the omicron variant.

A complete of 7 New York Town citizens and one from Suffolk County are showed to have the virus, as of Saturday morning.

New York Town Well being Commissioner Dave Chokshi informed the general public Thursday that the instances point out there may be neighborhood unfold within the state.

“This isn’t simply people who find themselves touring to southern Africa or to different portions of the sector the place omicron has already been recognized,” Chokshi stated.


A person in his 30s from northwest Philadelphia has examined certain for omicron, town officers showed on Friday. Philadelphia’s well being division stated it’s operating to get additional information at the case.


Utah showed its first case of the omicron variant, public well being officers showed Friday.

Officers stated the person who examined certain was once an older grownup who not too long ago returned house to Utah after touring to South Africa.

The individual is absolutely vaccinated and confirmed simplest gentle signs. They gained monoclonal antibody remedy.

—CNBC’s Jessica Bursztynsky contributed to this file.


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