Biden told it will take 2 weeks for definitive data on omicron

SEA-TAC AIRPORT: People enter the baggage claim area from the international arrivals terminal as the U.S. reopens air and land borders to COVID-19 vaccinated travelers for the first time since the COVID-19 restrictions were imposed, at Sea-Tac Airport in Seattle, Washington, on Nov. 8, 2021. Lindsey Wasson/Reuters

WASHINGTON – The top U.S. infectious disease official, Dr. Anthony Fauci, told President Joe Biden on Sunday it will take about two weeks to have definitive information on the new coronavirus variant omicron that has sparked new travel restrictions and shaken financial markets.

Biden, returning to Washington following the Thanksgiving holiday weekend, was briefed in person by his coronavirus response team on Sunday afternoon as officials expect the new variant to reach the United States despite an impending ban on travelers from Southern Africa, where it was first detected.

Fauci said he believes existing vaccines are likely to provide "a degree of protection against severe cases of COVID," and officials reiterated their recommendation for vaccinated Americans to get booster shots, according to a readout of the briefing.

Biden was due to update the public on the new variant and the U.S. response on Monday, the White House said.

Omicron, which was first detected in Southern Africa, has now been confirmed in Australia, Belgium, Botswana, Britain, Denmark, Germany, Hong Kong, Israel, Italy, the Netherlands, France and South Africa, and the United States' neighbor to the north, Canada.

Earlier on Sunday, Fauci told ABC News' "This Week" that the new variant would "inevitably" reach the United States.

"It clearly is giving indication that it has the capability of transmitting rapidly. That's the thing that's causing us now to be concerned," he added on NBC.

U.S. officials were seeking more information from South Africa about the new variant. Health and Human Services Secretary Xavier Becerra spoke to South Africa Health Minister Joe Phaahla on Sunday, praising the country's transparency, according to a readout of the meeting.

Its appearance in the United States, where 30% of the population has not received a single dose of vaccine, could threaten to undermine the nation's recovery nearly two years after COVID-19's emergence and further pressure local healthcare systems already taxed by the recent Delta variant.

Rising cases as colder weather forces more people indoors has also caused some hospital systems and U.S. states, including New York, to declare emergencies.

So far, nearly 782,000 people have died in the United States from COVID-19 since early 2020, the most of any country in the world, amid over 48 million infections, Reuters data show.

Travelers banned, not flights

The United States is joining other nations in seeking to block transmission by imposing travel restrictions.

Beginning at 12:01 a.m. ET on Monday, it will bar entry of nearly all foreign nationals who have been in any of eight southern African countries within the last 14 days and has warned Americans against traveling to those nations.

U.S. citizens and lawful U.S. permanent residents who have traveled to the countries will still be able to enter the United States and no new screening or tracing requirements have been introduced.

Flights by Delta Air Lines and United Airlines have continued from South Africa to the United States since the variant was discovered.

Fauci and other top officials said the sudden burst of cases made Omicron worrisome and it remained unclear how current vaccines or therapeutics could be impacted.

"We need more data there before we can say confidently that this is not a severe version of the virus, but we should find that out in the next couple weeks," outgoing National Institutes of Health Director Dr. Francis Collins told "Fox News Sunday."

Vaccine makers Pfizer-BioNTech and Moderna have said they expect more information soon.

"We have to go through a couple of weeks yet of uncertainty," Moderna Chief Medical Officer Dr. Paul Burton told CNN, saying Omicron's transmissibility and severity were also still unknown along with current vaccines' effectiveness against it.

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