Omicron is spreading faster than any other coronavirus variant
By Ivana Kottasová, CNN
The Omicron coronavirus variant is spreading at a rate not seen with previous variants, World Health Organization Director-General Tedros Adhanom Ghebreyesus has warned, adding that the tendency to dismiss it as mild is concerning.
Speaking during a news conference on Tuesday, Tedros said the variant has been detected in 77 countries.
“The reality is that Omicron is probably in most countries, even if it hasn’t been detected yet,” he added.
Officials in Britain have warned the country is facing a “tidal wave” of infections from Omicron. The strain has become dominant in London, outcompeting the previous Delta variant.
On Monday, the UK reported its first death from the variant, and on Wednesday it reported 78,610 new cases of the coronavirus, the highest number of daily cases since the pandemic began.
The previous record of daily new infections was 68,053 on January 8.
As has been the case throughout the pandemic, the United States is running behind Europe in seeing the impact of a new variant.
Omicron went from accounting for 0.4% of circulating virus in the US in the week to December 4 to 2.9% the following week, according to the Centers for Disease Control and Prevention (CDC).
But the rates are already much higher in the region of the country containing New York and New Jersey, The CDC estimates 13.1% of cases there are caused by Omicron, compared to just 2% in the previous week.
Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, told CNN on Tuesday that Omicron will become the dominant coronavirus variant in the US , but it’s unclear what that will mean for levels of severe disease.
While data, especially from from South Africa, suggests Omicron might be causing milder symptoms than previous variants, public health experts stress it’s too early to make firm conclusions.
“We’re concerned that people are dismissing Omicron as mild. Surely, we have learned by now that we underestimate this virus at our peril,” Tedros said on Tuesday.
“Even if Omicron does cause less severe disease, the sheer number of cases could once again overwhelm unprepared health systems,” he added.
South African researchers confirmed Tuesday that vaccines provide less protection against the new strain but added that they still see indications that Omicron causes milder symptoms than previous variants.
Fauci said it is unclear why symptoms are milder in South Africa, but it could be because many in the community have been infected before so have some level of protection.
“Whatever it is, the disease seems to be less severe, whether it’s inherently less pathogenic as a virus, or whether there’s more protection in the community, we’re just going to have to see when it comes in the United States,” he said.
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READS OF THE WEEK
Why genomic sequencing is crucial in the battle against the coronavirus
When South African scientists announced they had detected a new coronavirus variant with a worryingly high number of mutations, they were applauded for spotting it so quickly.
The country was praised for having a robust genomic sequencing program, which allowed them to identify the potentially worrying properties of the variant now known as Omicron.
When viruses spread through populations, they mutate. Most mutations don’t significantly alter a virus’ behavior, but some can be concerning.
Genomic sequencing involves decoding the genetic material of a virus to spot the mutations and determine what effect they might have on the virus — for example whether they could make it more transmissible or more dangerous in terms of the severity of the illness it can cause.
Omicron is spreading fast. That’s alarming even if it’s mild
The Omicron variant is spreading quickly in several countries . Even if it causes only mild disease — and that’s far from certain — that could still mean many people end up in the hospital and dying.
It’s unclear how severe the new variant is, although most cases that have been diagnosed so far have been mild. That could be reassuring, but if Omicron spreads more easily than Delta and previous variants, evades the protection offered by vaccines and by previous infection, and ends up infecting more people, that could mean more people end up in the hospital, and more die, CNN’s Maggie Fox writes.
Europe’s fight against the pandemic is about to get much more dangerous
Several European countries have made vaccines mandatory for parts of the population and imposed restrictions that increasingly target the unvaccinated.
But with around one in three Europeans still unvaccinated, it is not so much hesitancy that governments are battling as outright opposition, with the danger that as regulations get tougher so too will popular anger towards them.
Even before the pandemic, vaccine hesitancy in Europe was strongly correlated with a populist distrust of mainstream parties and governments. What the pandemic has provided is a Europe-wide real-time test of that link, Melissa Bell, Dalal Mawad and Richard Allen Greene write.
TOP TIP
How to stay safe this holiday season
The Omicron variant has been spreading rapidly throughout the world, so many people are once again pondering how to keep the festivities safe.
CNN Medical Analyst Dr. Leana Wen, an emergency physician and professor of health policy and management at the George Washington University Milken Institute School of Public Health, says flexibility is going to be key.
“Check the Covid-19 infection rates in your area, just as you would a weather forecast. Keep an eye on Omicron and, importantly, Delta. Be ready to modify plans, though I wouldn’t cancel on account of the new variant just yet,” she says.
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