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
Antibody response to the third dose of inactivated COVID‐19 vaccine in people living with HIV (PLWH): A longitudinal cohort
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DOI: 10.1002/jmv.28797
Abstract: The immunogenicity induced by the third dose of inactivated coronavirus disease 2019 (COVID‐19) vaccines in people living with HIV (PLWH) is unclear, and relevant literature is extremely scarce. It is important to add evidence on… read more here.
Keywords: inactivated covid; rbd igg; antibody; vaccine ... See more keywords
Comparison of the effectiveness and duration of anti-RBD SARS-CoV-2 IgG antibody response between different types of vaccines: Implications for vaccine strategies
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DOI: 10.1016/j.vaccine.2022.03.069
Abstract: Background and Objectives Little is known about the efficacy and durability of anti-RBD IgG antibodies induced by certain SARS-CoV-2 vaccines. It has been shown that neutralizing antibodies are associated with the protection against re-infection. This… read more here.
Keywords: types vaccines; rbd; rbd igg; anti rbd ... See more keywords
Levels of SARS-COV-2 anti-spike protein receptor-binding domain (S-RBD) IgG in Indonesian-vaccinated healthcare workers: experimental research
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DOI: 10.1097/ms9.0000000000000425
Abstract: Introduction: Studies evaluating the levels of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) anti-spike protein receptor-binding domain (S-RBD) immunoglobulin G (IgG) antibodies in vaccinated healthcare workers in Indonesia are limited. Objectives: Evaluating time-dependent levels of… read more here.
Keywords: rbd; rbd igg; cov anti; healthcare workers ... See more keywords
Anti-SARS-Cov-2 S-RBD IgG Formed after BNT162b2 Vaccination Can Bind C1q and Activate Complement
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DOI: 10.1155/2022/7263740
Abstract: Introduction Activation of the classical complement pathway through C1q binding to immunoglobulins (Ig) contributes to pathogen neutralization, thus, the ability of Ig produced after vaccination to bind C1q could affect vaccine efficacy. In this study,… read more here.
Keywords: rbd igg; vaccination; complement; vaccination bind ... See more keywords
Anti-RBD IgG antibodies and neutralizing antibody levels after the second BNT162b2 dose in patients with plasma cell disorders
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DOI: 10.1371/journal.pone.0284925
Abstract: Patients with plasma cell disorders (PCD) are at an increased risk for severe morbidity and mortality due to COVID-19. Recent data have suggested that patients with hematological malignancies, including those with PCD, have suboptimal antibody… read more here.
Keywords: igg antibodies; rbd igg; dose; anti rbd ... See more keywords
Decline in Antibody Concentration 6 Months After Two Doses of SARS-CoV-2 BNT162b2 Vaccine in Solid Organ Transplant Recipients and Healthy Controls
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DOI: 10.3389/fimmu.2022.832501
Abstract: Background Previous studies have indicated inferior responses to severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) vaccination in solid organ transplant (SOT) recipients. We examined the development of anti-receptor-binding domain (RBD) immunoglobulin G (IgG) after two doses… read more here.
Keywords: sot recipients; two doses; anti rbd; rbd igg ... See more keywords
Correlation Analysis of Anti-SARS-CoV-2 RBD IgG and Neutralizing Antibody against SARS-CoV-2 Omicron Variants after Vaccination
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DOI: 10.3390/diagnostics12061315
Abstract: Various vaccines have been developed to control the COVID-19 pandemic, but the available vaccines were developed using ancestral SARS-CoV-2 wild-type (WT) strains. Commercial anti-SARS-CoV-2 receptor binding domain (RBD) antibody assays have been established and employed… read more here.
Keywords: rbd igg; omicron variants; anti rbd; sars cov ... See more keywords
Longitudinal Dynamics of SARS-CoV-2 IgG Antibody Responses after the Two-Dose Regimen of BNT162b2 Vaccination and the Effect of a Third Dose on Healthcare Workers in Japan
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DOI: 10.3390/vaccines10060830
Abstract: Analysis of longitudinal dynamics of humoral immune responses to the BNT162b2 COVID-19 vaccine might provide useful information to predict the effectiveness of BNT162b2 in preventing SARS-CoV-2 infection. Herein, we measure anti-RBD IgG at 1, 3… read more here.
Keywords: rbd igg; vaccination; dose bnt162b2; anti rbd ... See more keywords
A Longitudinal Study in Turkiye of Host Ability to Produce Antibodies following a Third Homologous BNT162b2 Vaccination
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DOI: 10.3390/vaccines11040716
Abstract: Obesity is a multifaceted, complex condition that has negative impacts on one’s health. There are conflicting reports regarding the COVID-19 vaccine’s ability to induce antibody formation in obese people. Our study aimed to determine anti-S-RBD… read more here.
Keywords: rbd igg; vaccination; anti rbd; bnt162b2 vaccination ... See more keywords
Immune responses to inactivated COVID-19 vaccine were decreased in Chinese patients with chronic respiratory diseases
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DOI: 10.7150/ijms.78766
Abstract: Purpose: The effectiveness of inactivated vaccines against acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2), the causative agent of coronavirus disease 2019 (COVID-19), has become a global concern. Hence, the aim of this study was to evaluate… read more here.
Keywords: patients chronic; rbd igg; immune responses; crd patients ... See more keywords