As the Omicron variant sparks concern, experts say it's time for unvaccinated Americans to get their shots
Nov 27, 2021 2 mins, 3 secs

"I'm saying this absolutely clearly that if ever there was a reason for unvaccinated people to get vaccinated and for those who have been vaccinated when your time comes up to go and get a booster shot," Fauci told NBC News' Lester Holt on Friday.

An additional 37.5 million have received booster shots, the data shows.

On Friday, the US moved to restrict travel from eight mostly southern African countries starting Monday as the World Health Organization deemed Omicron a variant of concern after it was first detected in South Africa.

There have been no indications so far that the variant has made its way into the US, Fauci told CNN on Friday.

Besides South Africa, the newly identified variant has been detected in Botswana, Hong Kong and Belgium.

The European Centre for Disease Prevention and Control said Friday there was a "high to very high" risk the variant would spread to the Continent.

Vaccine makers are working to determine effectiveness against Omicron

Meanwhile, vaccine makers have disclosed they are taking action to address Omicron's elevated risk.

Moderna said Friday that it's working quickly to test the ability of its vaccine to neutralize Omicron, and data is expected in the coming weeks.

The strain includes mutations "seen in the Delta variant that are believed to increase transmissibility and mutations seen in the Beta and Delta variants that are believed to promote immune escape," Moderna said in a news release.

The company is also evaluating two multivalent booster candidates to see if they provide better protection against Omicron -- both of which include some of the viral mutations present in the variant.

Moderna said it is also testing an Omicron-specific booster.

"For several days, we have been moving as fast as possible to execute our strategy to address this variant," Moderna CEO Stéphane Bancel said in the news release.

Scientists at BioNTech, the German company that partnered with Pfizer to make its Covid-19 vaccine, are also investigating the impact of the variant on their shot, with data expected within the upcoming weeks.

A Johnson & Johnson spokesperson told CNN in a statement the company was also testing the effectiveness of its vaccine against Omicron.

Covid-19 travel restrictions aren't all that effective, experts say

The Biden administration's decision to curtail travel from eight countries is a precautionary measure as the US government learns more about the Omicron variant of coronavirus.

But some experts say travel restrictions aren't as effective as they may seem.

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