EXPLAINER: What is this new COVID variant in South Africa?

South African scientists have identified a new version of the coronavirus this week that they say is behind a recent spike in COVID-19 infections in Gauteng, the country’s most populous province

Health, Coronavirus

11/26/2021 3:58:00 PM

South African scientists have identified a new version of the coronavirus this week that they say is behind a recent spike in COVID-19 infections in Gauteng, the country’s most populous province.

South African scientists have identified a new version of the coronavirus this week that they say is behind a recent spike in COVID-19 infections in Gauteng, the country’s most populous province

How to reduce the risk of COVID-19 transmission indoorsDr. Jen Ashton gives us tips on how to lower the risk of COVID-19 while indoors during holiday gatherings.The Associated PressLONDON -- WHAT IS THIS NEW COVID-19 VARIANT IN SOUTH AFRICA?South African scientists have identified a new version of the

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coronavirusthis week that they say is behind a recent spike in COVID-19 infections in Gauteng, the country’s most populous province. It's unclear where the new variant actually arose, but it was first detected by scientists in South Africa and has also been seen in travelers to Hong Kong and Botswana.

Health minister Joe Phaahla said the variant was linked to an “exponential rise” of cases in the last few days, although experts are still trying to determine if the new variant, named B.1.1.529 is actually responsible.From just over 200 new confirmed cases per day in recent weeks, South Africa saw the number of new daily cases rocket to 2,465 on Thursday. Struggling to explain the sudden rise in cases, scientists studied virus samples from the outbreak and discovered the new variant. headtopics.com

On Friday, the World Health Organization was convening a group of experts to assess the data from South Africa.WHY ARE SCIENTISTS WORRIED ABOUT THIS NEW VARIANT?It appears to have a high number of mutations — about 30 — in the coronavirus’ spike protein, which could affect how easily it spreads to people.

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Sharon Peacock, who has led genetic sequencing of COVID-19 in Britain at the University of Cambridge, said the data so far suggest the new variant has mutations “consistent with enhanced transmissibility,” but said that “the significance of many of the mutations is still not known.”

Lawrence Young, a virologist at the University of Warwick, described the variant as “the most heavily mutated version of the virus we have seen.” He said it was concerning that although the variant was only being detected in low levels in parts of South Africa, “it looks like it's spreading rapidly.”

WHAT'S KNOWN AND NOT KNOWN ABOUT THE VARIANT?We know that the new variant is genetically distinct from previous variants including the beta and delta variants, but we do not know if these genetic changes make it any more transmissible or dangerous. headtopics.com

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South African scientists have noticed a surge of cases, but we don't know if the new variant is responsible and it will take weeks to sort out if vaccines are still effective against it.So far, there is no indication the variant causes more severe disease. South African experts said that as with other variants, some infected people don’t have any symptoms.

Even though some of the genetic changes in the new variant appear worrying, it's still unclear if the virus will pose a significant publichealththreat. Some previous variants, like the beta variant, initially concerned scientists but didn't end up spreading very far.

Francois Balloux, director of the Genetics Institute at University College London said it was impossible to make any predictions about whether or not the virus was more dangerous or infectious based on its genetic make-up alone.HOW DID THIS NEW VARIANT ARISE?

The coronavirus mutates as it spreads and many new variants, including those with worrying genetic changes, often just die out. Scientists monitor COVID-19 sequences for mutations that could make the disease more transmissible or deadly, but they cannot determine that simply by looking at the virus. They must compare the pattern of disease in outbreaks to the genetic sequences and sorting out whether there is an actual connection can take time. headtopics.com

Peacock said the variant “may have evolved in someone who was infected but could then not clear the virus, giving the virus the chance to genetically evolve," in a scenario similar to how experts think the alpha variant — which was first identified in England — also emerged, by mutating in an immune-compromised person.

ARE THE TRAVEL RESTRICTIONS BEING IMPOSED BY SOME COUNTRIES JUSTIFIED?Maybe. As of noon Friday, travelers arriving in the U.K. from South Africa, Namibia, Botswana, Lesotho, Eswatini and Zimbabwe will have to self-isolate for 10 days. European Union nations also moved quickly on Friday to try to stop air travel from southern Africa.

Given the recent rapid rise in COVID-19 in South Africa, restricting travel from the region is “prudent,” said Neil Ferguson, an infectious diseases expert at Imperial College London.Balloux of University College London said that if the new variant turns out to be more infectious than delta, the new restrictions will have little impact but that they could still buy the U.K. some time to boost vaccination rates and roll out other possible interventions.

WHAT HAPPENS NEXT?The World Health Organization has convened a technical group of experts to decide whether the new variant warrants being designated a variant of interest or a variant of concern. If they do, the variant will likely be named after a letter of the Greek alphabet, in line with the current naming system.

Variants of interest — which currently include the mu and lambda variants — have genetic changes known to affect things like transmissibility and disease severity and have been identified to cause significant clusters in multiple countries.Variants of concern — which include alpha, beta and delta — have shown they can spread more easily, cause more serious disease or make current tools like vaccines less effective.

Read more: ABC News »

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South Africa Finds New Variant Of COVID-19 With 'Constellation Of Mutations'The United Kingdom temporarily barred flights from six African nations amid fears over the new coronavirus strain. wow AS long as most of the world, especially developing nations, remain unvaccinated, variants will find fertile ground. There is risk of vaccine-resistant variant emerging. Global vaccination is needed! UK Germn Frnce Portgl NL Belgm etc engulfed in COVID Calamity+New Shutdowns(Asia Aus too), Africa got New Multi-Varient strain But CDA Ont Que etc Just Re-Opened Airprt,Border, full 100% Indoor Events& Everything But Our COVD s Trippling from OCT Lows, Are We Sleepn or?

Explainer: What we know about the COVID-19 variant detected in South AfricaGlobal authorities have reacted with alarm to a coronavirus variant detected in South Africa, with the EU, Britain and India among those announcing stricter border controls as scientists seek to determine if the mutation is vaccine-resistant. 'It's pretty bad' ADE

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