The new version has been dubbed "stealth Omicron" by some researchers because it lacks a particular genetic change that allows it to be easily detected in the lab-based COVID-19 tests, according to a report from The Guardian.
Researchers have said that this new version has other genetic features to differentiate itself from the standard Omicron variant. While it can still be detected as Omicron through genomic testing, studies have found that it is not as easily flagged by routine PCR tests that are used around the world to measure how quickly the virus is spreading, according to the news outlet.
This new version of Omicron was recently discovered among coronavirus genomes from South Africa, Australia and Canada, The Guardian reported. So far, researchers have said it is too early to tell whether the new form of Omicron, identified as BA.2, will spread in the same way as the standard Omicron variant, known as BA.1.
"There are two lineages within Omicron, BA.1 and BA.2 differentiated genetically," professor Francois Balloux, director of the University College London Genetics Institute, told The Guardian. "The two lineages may behave differently."
Others told the news outlet that having two versions of a variant in quick succession with shared mutations is "worrying," or may suggest that public health experts are "missing a big piece of the puzzle."
Comment: Is it even possible for a statement to be made in this farce without using the word "worrying"? Omicron is all over the world now. Many infections being completely missed because the symptoms are so mild.
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The finding comes just a week after the Omicron variant was first discovered in the U.S. Since then, nearly half of U.S. states have reported cases of Omicron, which has been deemed a variant of concern by the World Health Organization (WHO) after it was initially detected in South Africa last month.
Researchers are still discovering information about the variant, but early data has suggested that it is twice as transmissible as Delta — currently the dominant variant in the U.S. — and that it could be more effective at evading immunity due to its high level of mutations.
On Tuesday, Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, said that while the Omicron variant may be able to infect more people, he does not believe it will cause as many deaths as Delta.
Fauci told Agence France-Presse that Omicron "almost certainly is not more severe than Delta," but added that the "worst-case scenario," would be if the variant is determined to be highly transmissible and cause severe disease.
The infectious disease expert predicted that it will still take another couple of weeks for researchers to analyze the outcome of Omicron cases.
"As we get more infections throughout the rest of the world, it might take longer to see what's the level of severity," Fauci said.
Reader Comments
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And I bet, for community-wide health, that it's actually important that as many healthy people get exposed as quickly as possible.
For me it was high blood pressure and although my symptoms were very minimal, the virus set in my lungs and almost killed me. I had to be at the mercy of the intensive care unit and I was saved by a miracle because the ventilator and their protocols were not on my side. I'm here to say that everyone should do everything possible not to get to that emergency level because their risk of death increases and to boost your immunity as if it was crucial because it is . I never got sick, my only symptom was tiredness and fever and in a few days I was at 50% oxygen that send me to the nightmare emergency that put me in the ICU for two months plus another month of rehab and am now still recovering at home.
Just curious if you don't mind.
Glad you survived the vent, most don't. What are your o2 sats now?