Estimates of SARS-CoV-2 Omicron BA.2 Subvariant Severity in New England
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DOI: 10.1001/jamanetworkopen.2022.38354
Abstract: This cohort study evaluates the odds of mortality in patients infected with the SARS-CoV-2 Omicron BA.2 subvariant compared with the Delta (B.1.617.2) and Omicron (B.1.1.529) variants in New England. read more here.
Keywords: new england; omicron; omicron subvariant; cov omicron ... See more keywords
Omicron-Specific Cytotoxic T-Cell Responses After a Third Dose of mRNA COVID-19 Vaccine Among Patients With Multiple Sclerosis Treated With Ocrelizumab.
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DOI: 10.1001/jamaneurol.2022.0245
Abstract: Importance The SARS-CoV-2 variant B.1.1.529 (Omicron) escapes neutralizing antibodies elicited after COVID-19 vaccination, while T-cell responses might be better conserved. It is crucial to assess how a third vaccination modifies these responses, particularly for immunocompromised… read more here.
Keywords: cell; cell responses; omicron; vaccination ... See more keywords
Augmented neutralization of SARS‐CoV‐2 Omicron variant by boost vaccination and monoclonal antibodies
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DOI: 10.1002/eji.202249841
Abstract: Effective vaccines and monoclonal antibodies have been developed against coronavirus disease 2019 (COVID‐19) caused by severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2). However, the appearance of virus variants with higher transmissibility and pathogenicity is a… read more here.
Keywords: omicron variant; omicron; vaccination; variant ... See more keywords
Omicron and S‐gene target failure cases in the highest COVID‐19 case rate region in Canada—December 2021
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DOI: 10.1002/jmv.27562
Abstract: The SARS-CoV-2 B.1.1.529 variant (Omicron) was classified as a variant of concern by the World Health Organization on November 26, 2021 and first detected in the Kingston, Frontenac, Lennox & Addington (KFL&A) region on December… read more here.
Keywords: region; case rate; covid case; december 2021 ... See more keywords
Transmission dynamics and mutational prevalence of the novel Severe acute respiratory syndrome coronavirus‐2 Omicron Variant of Concern
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DOI: 10.1002/jmv.27611
Abstract: The novel Severe acute respiratory syndrome coronavirus‐2 (SARS‐CoV‐2) variant, Omicron (PANGO lineage B.1.1.529) is being reported from all around the world. The WHO has categorized Omicron as a Variant of Concern (VOC) considering its higher… read more here.
Keywords: omicron variant; novel severe; transmission dynamics; prevalence ... See more keywords
Spatiotemporal analysis of the morbidity of global Omicron from November 2021 to February 2022
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DOI: 10.1002/jmv.28013
Abstract: The Omicron variant was first reported to the World Health Organization (WHO) from South Africa on November 24, 2021; this variant is spreading rapidly worldwide. No study has conducted a spatiotemporal analysis of the morbidity… read more here.
Keywords: november 2021; regression; omicron; morbidity omicron ... See more keywords
The outbreak of SARS‐CoV‐2 Omicron lineages, immune escape, and vaccine effectivity
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DOI: 10.1002/jmv.28138
Abstract: As of November 2021, several SARS‐CoV‐2 variants appeared and became dominant epidemic strains in many countries, including five variants of concern (VOCs) Alpha, Beta, Gamma, Delta, and Omicron defined by the World Health Organization during… read more here.
Keywords: omicron; immune escape; omicron lineages; outbreak sars ... See more keywords
Ad5‐nCoV booster and Omicron variant breakthrough infection following two doses of inactivated vaccine elicit comparable antibody levels against Omicron variants
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DOI: 10.1002/jmv.28163
Abstract: Little information is available for antibody levels against SARS‐CoV‐2 variants of concern induced by Omicron breakthrough infection and a third booster with an inactivated vaccine (InV) or Ad5‐nCoV in people with completion of two InV… read more here.
Keywords: omicron; rbd igg; ad5 ncov; booster ... See more keywords
Emergence of S gene‐based quasispecies explains an optimal adaptation of Omicron BA.5 subvariant in the immunocompetent vaccinated human host
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DOI: 10.1002/jmv.28167
Abstract: In this study, we collected two subsequent swabs from 7 immunocompetent up to date vaccinated healthcare workers undergoing mild symptomatic SARS-CoV-2 infection, and applied a next generation sequencing approach to establish the intra-host dynamics of… read more here.
Keywords: omicron; immunocompetent; gene based; emergence gene ... See more keywords
In silico evaluation of the impact of Omicron variant of concern sublineage BA.4 and BA.5 on the sensitivity of RT‐qPCR assays for SARS‐CoV‐2 detection using whole genome sequencing
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DOI: 10.1002/jmv.28241
Abstract: Severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) variant of concern (VoC) Omicron (B.1.1.529) has rapidly spread around the world, presenting a new threat to global public human health. Due to the large number of mutations… read more here.
Keywords: omicron; genome; variant concern; sensitivity qpcr ... See more keywords
Cumulative incidence of SARS‐CoV‐2 infection in the general population of the Valencian Community (Spain) after the surge of the Omicron BA.1 variant
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DOI: 10.1002/jmv.28284
Abstract: Studies investigating the cumulative incidence of and immune status against SARS‐CoV‐2 infection provide valuable information for shaping public health decision‐making. A cross‐sectional study on 935 participants, conducted in the Valencian Community (VC), measuring anti‐SARS‐CoV‐2‐receptor binding… read more here.
Keywords: omicron; cumulative incidence; cov infection; vac ... See more keywords