South African scientists are warning that reinfections among people who've already battled COVID-19 appear to be more likely with the new omicron variant than with earlier coronavirus mutants.
Dec 3, 2021
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The southern Chinese city of Zhuhai suspended public bus routes on Saturday after announcing it had detected at least seven cases of the highly transmissible Omicron coronavirus variant there and warning residents not to ...
Jan 15, 2022
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New research shows that the recently-emerged BA.2.86 omicron subvariant of the virus that causes COVID-19 can be neutralized by bivalent mRNA vaccine-induced antibodies in the blood, which explains why this variant did not ...
Jan 8, 2024
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Care home residents infected with the omicron variant of SARS-CoV-2 are half as likely to be admitted to hospital compared to residents infected with the delta variant, suggest preliminary findings from the Vivaldi study ...
Jan 27, 2022
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Adults hospitalized with the SARS-CoV-2 omicron variant have a higher death rate than those hospitalized with seasonal influenza, even though omicron is considered less virulent with lower case fatality rates than the delta ...
Apr 7, 2023
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A model of COVID-19 dynamics in South Africa reveals epidemiological characteristics of the main SARS-CoV-2 variants of concern and highlights their potential to cause further outbreaks. Published in eLife, the researchers' ...
Aug 10, 2022
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More than 40 people in the U.S. have been found to be infected with the omicron variant so far, and more than three-quarters of them had been vaccinated, the chief of the CDC said Wednesday. But she said nearly all of them ...
Dec 29, 2021
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British pharmaceutical giant AstraZeneca said Thursday that a third, or "booster", dose of its COVID-19 vaccine Vaxzevria "significantly" lifted antibody levels against the Omicron strain in a laboratory study.
Dec 23, 2021
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Pfizer and BioNTech have asked the European Medicines Agency to authorize their updated coronavirus booster vaccine that includes the most recent omicron subvariants.
Aug 26, 2022
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Omicron was first reported in South Africa on Nov. 24, 2021, and within mere days it was already making the rounds in the United States, spiking SARS-CoV-2 case numbers as it infiltrated every school, restaurant, and family ...
Jun 8, 2022
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