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Omicron spreading at unprecedented rate: WHO

The new coronavirus variant Omicron is spreading across the globe at an unprecedented rate, the World Health Organization (WHO) has warned. Cases of the heavily mutated variant have been confirmed in 77 countries. But at a press conference, WHO chief Tedros Adhanom Ghebreyesus said it was probably in many others that had yet to detect it, BBC reported. Dr Tedros ...

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Omicron thrives in airways, not lungs; new data shows

The following is a summary of some recent studies on COVID-19. They include research that warrants further study to corroborate the findings and that has yet to be certified by peer review. Omicron multiplies faster in airways, slower in lungs. Major differences in how efficiently omicron and other variants of the coronavirus multiply may help predict omicron’s effects, researchers said ...

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WHO: COVID vaccines slightly less effective against severe disease, deaths

COVID-19 vaccines appear to have become slightly less effective in preventing severe disease and death but do provide “significant protection”, the World Health Organisation (WHO) said on Tuesday. The omicron variant first detected in South Africa and Hong Kong last month has now been reported by 77 countries and is probably present in most worldwide, but should not be dismissed ...

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Israeli study finds Pfizer COVID booster protects against omicron

Israeli researchers said on Saturday they found that a three-shot course of the Pfizer/BioNTech, COVID-19 vaccine provided significant protection against the new omicron variant. The findings were similar to those presented by BioNTech and Pfizer earlier in the week, which were an early signal that booster shots could be key to protect against infection from the newly identified variant, reports ...

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Omicron: Three vaccine doses key for protection against variant

Two doses of a Covid vaccine are not enough to stop you catching the Omicron variant, UK scientists have warned. Early analysis of UK Omicron and Delta cases showed the vaccines were less effective at stopping the new variant. But a third booster prevents around 75% of people getting any Covid symptoms. Meanwhile, Levelling Up Secretary Michael Gove, who chaired ...

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US authorizes AstraZeneca Covid treatment in some cases

US health authorities on Wednesday authorized the use of synthetic antibodies developed by AstraZeneca to prevent Covid-19 infections in people who react badly to vaccines. It was the first time the Food and Drug Administration has given emergency authorization for such a purely preventative treatment. The FDA warned the drug Evusheld is “not a substitute for vaccination in individuals for ...

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Omicron reported in 57 countries: WHO

The Omicron variant has been reported in 57 nations, with Covid cases rising in southern Africa including Zimbabwe, and the number of patients needing hospitalisation is likely to rise as it spreads, the World Health Organization said on Wednesday. The WHO, in its weekly epidemiological report, said more data was needed to assess the severity of disease caused by the ...

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Mixing Pfizer, AstraZ COVID shots with Moderna gives better immune response

A major British study into mixing COVID-19 vaccines has found that people had a better immune response when they received a first dose of AstraZeneca or Pfizer-BioNTech shots followed by Moderna nine weeks later, according to the results on Monday. “We found a really good immune response across the board…, in fact, higher than the threshold set by Oxford-AstraZeneca vaccine ...

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Fauci: ‘Encouraging’ early feedback on Omicron case severity

Early indications of the severity of the Omicron Covid-19 variant are “a bit encouraging,” top US pandemic advisor Anthony Fauci said Sunday, while cautioning more information was still needed. “Omicron has a transmission advantage” in South Africa, where the variant was first reported, Fauci said in a CNN interview, noting the country had a low level of cases before it ...

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Antibodies against delta strain may not protect against omicron and vice versa – expert

Antibodies, which are developed after the infection with delta strain of the coronavirus, may not protect from the new omicron strain and vice versa, Director General of the DNKOM Center for Molecular Genetic Studies Andrei Isayev told TASS. “Big number of mutations means that the virion of this strain structurally differs from virions of other strains – they have different ...

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