Long‐term variations and potency of neutralizing antibodies against Omicron subvariants after CoronaVac‐inactivated booster: A 7‐month follow‐up study
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DOI: 10.1002/jmv.28279
Abstract: The long‐term protective efficacy of neutralizing antibodies (Nabs) against Omicron subvariants after inactivated booster vaccines remains elusive. During the follow‐up study, 54 healthy volunteers aged 20–31 years received inactivated CoronaVac booster vaccinations and were monitored… read more here.
Keywords: long term; omicron subvariants; booster; neutralizing antibodies ... See more keywords
Emerging Omicron subvariants evade neutralizing immunity elicited by vaccine or BA.1/BA.2 infection
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DOI: 10.1002/jmv.28539
Abstract: The newly emerging severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) Omicron BA.2.75 and BA.2.76 subvariants contained 35 and 29 additional mutations in its spike (S) protein compared with the reference SARS‐CoV‐2 genome, respectively. Here, we… read more here.
Keywords: omicron subvariants; emerging omicron; infection; neutralizing immunity ... See more keywords
Sensitivity of rapid antigen tests for Omicron subvariants of SARS‐CoV‐2
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DOI: 10.1002/jmv.28788
Abstract: Diagnosis by rapid antigen tests (RATs) is useful for early initiation of antiviral treatment. Because RATs are easy to use, they can be adapted for self‐testing. Several kinds of RATs approved for such use by… read more here.
Keywords: sensitivity; omicron subvariants; antigen tests; rapid antigen ... See more keywords
Reproduction numbers of SARS-CoV-2 Omicron subvariants
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DOI: 10.1093/jtm/taac108
Abstract: Estimating the effective reproduction number of Omicron subvariants is crucial for evaluating the effectiveness of control measures, and adjusting control measures promptly. We conducted a systematic review to synthesize the evidence from estimates of the… read more here.
Keywords: reproduction numbers; numbers sars; omicron subvariants; reproduction ... See more keywords
Emergence BQ.1 and BQ.1.1 as newly identified omicron subvariants: current scenario and future outlook – an update
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DOI: 10.1097/ms9.0000000000000469
Abstract: Dear Editor, In the last couple of years, the Omicron variant has emerged as the deadliest among coronavirus disease 2019 (COVID-19) variants, and as a result, it has granted rise to several subvariants. According to… read more here.
Keywords: omicron; omicron subvariants; emergence newly; covid ... See more keywords
Convergent evolution of SARS-CoV-2 Omicron subvariants leading to the emergence of BQ.1.1 variant
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DOI: 10.1101/2022.12.05.519085
Abstract: Recent Omicron SARS-CoV-2 subvariants independently acquire 5 key Spike mutations. Here, the authors evaluate the evolutionary importance of the 5 mutations and characterize the virological properties of variant BQ.1.1 harboring all 5 mutations. In late… read more here.
Keywords: omicron; omicron subvariants; omicron lineages; convergent evolution ... See more keywords
Virological characteristics of the SARS-CoV-2 XBB variant derived from recombination of two Omicron subvariants
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DOI: 10.1101/2022.12.27.521986
Abstract: XBB is the first recombinant, globally dominant variant of SARS-CoV-2. Here, the authors examine the variant’s origins and virological properties, showing it is the first example of SARS-CoV-2 improving its fitness through recombination. In late… read more here.
Keywords: xbb; xbb variant; omicron subvariants; sars cov ... See more keywords
Lack of effectiveness of Bebtelovimab monoclonal antibody among high-risk patients with SARS-Cov-2 Omicron during BA.2, BA.2.12.1 and BA.5 subvariants dominated era
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DOI: 10.1371/journal.pone.0279326
Abstract: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron subvariants are expected to be resistant to Bebtelovimab (BEB) monoclonal antibody (MAb) and the real-world experience regarding its effectiveness is scarce. This retrospective cohort study reports a… read more here.
Keywords: monoclonal antibody; omicron subvariants; beb mab; cov omicron ... See more keywords
Reinfections with Different SARS-CoV-2 Omicron Subvariants, France
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DOI: 10.3201/eid2811.221109
Abstract: We describe 188 patients in France who were successively infected with different SARS-CoV-2 Omicron subvariants, including BA.1, BA.2, and BA.5. Time between 2 infections was read more here.
Keywords: reinfections different; subvariants france; omicron subvariants; different sars ... See more keywords
SARS-CoV-2 vaccination of convalescents boosts neutralization capacity against Omicron subvariants BA.1, BA.2 and BA.5 and can be predicted by anti-S antibody concentrations in serological assays
Sign Up to like & getrecommendations! Published in 2023 at "Frontiers in Immunology"
DOI: 10.3389/fimmu.2023.1170759
Abstract: Background Recent data on immune evasion of new SARS-CoV-2 variants raise concerns about the efficacy of antibody-based COVID-19 therapies. Therefore, in this study the in-vitro neutralization capacity against SARS-CoV-2 variant B.1 and the Omicron subvariants… read more here.
Keywords: vaccination; neutralization capacity; omicron subvariants; neutralization ... See more keywords
Mapping the Early Dispersal Patterns of SARS-CoV-2 Omicron BA.4 and BA.5 Subvariants in the Absence of Travel Restrictions and Testing at the Borders in Europe
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DOI: 10.3390/v15010133
Abstract: The circulation of SARS-CoV-2 omicron BA.4 and BA.5 subvariants with enhanced transmissibility and capacity for immune evasion resulted in a recent pandemic wave that began in April–May of 2022. We performed a statistical phylogeographic study… read more here.
Keywords: omicron subvariants; dispersal patterns; early dispersal; cov omicron ... See more keywords