Her team also expects results "towards the end of this month.". The Novovax vaccine, which nearing its final stage testing, loses a reasonable portion of … Within hours of the criticism, Minister of Health Dr. Zweli Mkhize gave an online presentation outlining the government's plan. Government scientists say that, like the South African variant, the new British strain appears to be more easily passed between people, but they expect it to respond to the vaccines in the same way as the more widespread versions of the disease. Johnson and Johnson's vaccine requires only one dose, unlike the Oxford and Pfizer vaccines approved for use in Britain, or the Moderna formula being used in the U.S. along with the Pfizer shots. "We are targeting a minimum of 67% of the population to achieve herd immunity," he said. Of the new strains, some have similar characteristics to the South African variant, also identified in Alabama, which has been shown to be more resistant to vaccines. The coronavirus variant first discovered in South Africa is able to evade some of the protection of the Pfizer-BioNTech vaccine, according … “There are other variants that are incubating and are emerging, and we hope to characterize each one of them in a very systematic way.”. Experts fear that new variants of COVID-19 from South Africa and Brazil could be resistant to existing vaccines and treatment. A group of eminent scientists, including Glenda Gray, slammed the government in an op-ed published on Sunday for what they said was an "astonishing" lack of planning. South African mutant Covid ‘may be resistant to vaccines’ ... Countries with reported cases of South African variant, 501Y.v2 or B1351 (Picture: GISAID/Metro.co.uk) Like us on Facebook to see similar stories, Stacey Abrams to deliver keynote at Tulsa Massacre event, Posthumous John le Carré novel to be published in October. Jabs from AstraZeneca are set to come online at the end of the month, as South Africa rushes to … The Pfizer vaccine has so far demonstrated to be some 95% or more effective in all the three categories, at least against the original strain of the virus and the British variant. Dr. Zaks said that the new version of the Moderna vaccine, aimed at the South African variant, could be used if needed as a booster one year after people received the original vaccine. The same day Shabir Madhi, professor of vaccinology at the University of the Witwatersrand, commented to CBS Newsthat "it's not a given" that the new 501.V2 variant would be able to eva… The Sputnik V or Gam-COVID-Vac vaccine is also based on the wild-type spike. He said the new one, 501.V2, which has spread like wildfire in South Africa's coastal cities, is the most worrying mutation of the virus so far. Another COVID strain emerging in Nigeria? Some early results suggest the Moderna vaccine is effective against the South Africa variant, although the immune response triggered may be weaker and shorter-lived. Vaccine experts are worried that the coronavirus variant first detected in South Africa last month could be resistant to the COVID-19 vaccines currently in distribution. On Monday, Health Secretary Matt Hancock said he was “incredibly worried” about the South African variant, describing it as a “very, very significant problem”. The study was led by Taube and co-authored by Alona Kuzmina, Yara Khalaila, Olga Voloshin, Ayelet Keren-Naus, Liora Bohehm, Yael Raviv, Yonat Shemer-Avni and Elli Rosenberg. It was published in the journal Cell Host & Microbe on Sunday. Glenda Grey, President of the South African Medical Research Council and lead of the Johnson & Johnson vaccine trial team, confirmed that their trial also included giving participants doses amid the outbreak of the new strain. In South Africa, where 93% of infections are due to B.1.351, the vaccine failed to prevent mild-to-moderate COVID-19. The South African variant of COVID-19 has been observed to be more resistant to vaccines that are currently available. He said it was "unlikely" the mutation would make the vaccines ineffective, but that they might need tweaks to provide as much protection against the strain as they do against the others already in wide circulation elsewhere. Matt Hancock made the remark during a webinar with business leaders and travel agents on Tuesday. Stay updated with the latest in Tech, Science, Culture, Entertainment, and more by following our Telegram channel here.. A new study conducted in Israel has shown that a variant of the coronavirus that was first identified in South Africa may have the capability to bypass the protection offered by the Pfizer-BioNTech vaccine.. It's the worst national coronavirus epidemic in Africa. Besides preventing infection, the ability to prevent severe symptoms and death is also considered, and for many experts, the latter two are even more important than the first. South African SARS-CoV-2 variant partly resistant to neutralization by mRNA vaccine, says study. His alarm came as scientists warned that the new strain sweeping through South African coastal communities could be resistant to the COVID-19 vaccines approved or awaiting approval in the U.S. and Europe. Microsoft and partners may be compensated if you purchase something through recommended links in this article. The vaccine only moderately neutralized the South African variant, however. Well, we’re four days into the new year and we’ve already been hit by headlines that wouldn’t be out of place in an apocalyptic blockbuster: There are now fears that the South African variant … Both Oxford and U.S. pharmaceutical giant Johnson & Johnson have carried out human trials of their vaccines in South Africa, including doses given since the new variant started spreading discovered. Trials of Novavax, Janssen and the Oxford/AstraZeneca vaccines in South Africa, where B.1.351 is circulating, suggest the variant can escape some immunity and may not stop infections. As the first doses of the Oxford University-AstraZeneca vaccine outside of medical trials were administered at an Oxford hospital on Monday, senior Oxford immunologist Professor John Bell -- who helped create the prestigious university's vaccine -- said there was a "big question mark" over whether the current versions of vaccines would work on the South African variant. "I'm incredibly worried about the South African variant," Health Secretary Matt Hancock told BBC Radio. The coronavirus vaccine’s efficacy is generally described as employing several indicators. But the South Africa variant has proven slippery for vaccines before. The lead researcher on the trial of the Oxford vaccine carried out in South Africa, Professor Shabir Madhi, told CBS News on Monday that more than 13 variants of the coronavirus had been identified in the country since the start of the pandemic. "This new variant should not delay vaccine access, but it also means we need to keep our eye on breakthrough infections," she said, referring to the rate of infections among those who have received the vaccine. South African variant is more resistant to the Pfizer vaccine than other coronavirus strains, according to The vaccine was “slightly” less effective against the South African variant, the news release said, but Pfizer and its European partner BioNTech “believe the small differences in … It was also less effective against strains that had attributes of both the British and the South African variants. South Africa's Ministry of Health has reported a total of 1.1 million cumulative COVID-19 cases across the country, with a positivity rate of about 32% and almost 30,000 confirmed deaths. "This is a very, very significant problem... it's even more of a problem than the U.K. new variant.". The group is now focusing on mapping other variants. B.1.617 was the fourth strain to be declared a “variant of concern” by the WHO; the others are B.1.1.7, which was first seen in the UK; B.1.351, first detected in South Africa… “The idea is to try to identify which unique mutation in the spike of the virus is responsible for each of the findings that we saw, which causes higher infectivity, which causes higher resistance to vaccination and so on,” Taube said. “We saw a seven-fold decrease in the Pfizer vaccine’s ability to inhibit infection by the South African variant of the virus,” said Prof. The study – which is yet to be peer … Virus particles are shown emerging from the surface of cells cultured in the lab. Scientists at Porton Down are researching whether coronavirus vaccines will be effective against the variant from South Africa, and the new variant spreading across the UK. Show full articles without "Continue Reading" button for {0} hours. "It is fortunate that this timing will allow us to see whether there is any change with this new variant" in the vaccine's efficacy, she said. South African COVID-19 variant could be resistant to vaccine Other coronavirus vaccines approved by health authorities in Western countries, while sometimes showing a lower level of protection against infection, have still demonstrated a high capability to prevent more serious forms of the disease. Because of the nature of the study, researchers did not consider the clinical significance of the findings or whether a lower efficacy in preventing infections also translates into a lower capability of preventing severe symptoms or death, Taube said. That’s led to global fears about the spread of new variants that may prove resistant to current vaccines. March 9, 2021 -- The Pfizer/ and Moderna vaccines don’t work as well against the coronavirus variant first discovered in South Africa as they do … Surge testing has been deployed to parts of south London after 44 new cases of the South African Covid-19 variant were discovered, along with 30 “probable” infections. "It's not a given that the vaccine will not work on this variant, but it is a consideration that the vaccine might not have the full efficacy," he said. The Jerusalem Post Customer Service Center can be contacted with any questions or requests: Sign up for The Jerusalem Post Premium Plus for just $5, Upgrade your reading experience with an ad-free environment and exclusive content, Copyright © 2021 Jpost Inc. All rights reserved.
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