Antibodies News and Research

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Low neutralizing antibody titers against SARS-CoV-2 Mu in BNT162b2 vaccinated

Researchers assess the neutralizing antibody titers in BNT162b2-vaccinated people against SARS-CoV-2 isolates from the Mu, Gamma, and B.1.111 lineages.

28 Nov 2021

Using dried blood spots to monitor SARS-CoV-2 antibodies at home

The Roche Elecsys® anti-SARS-CoV-2 S immunoassay was used to demonstrate its ability to measure SARS-CoV-2 antibodies from DBS samples.

28 Nov 2021

The introduction and rapid spread of SARS-CoV-2 Gamma in Venezuela

Researchers from the Instituto Venezolano de Investigaciones Científica investigate the introduction of one of the VOCs into Venezuela.

28 Nov 2021

Seroprevalence study reveals high exposure to SARS-CoV-2 in Bangui population

Researchers performed a cross-sectional study in the city of Bangui, the capital of the Central African Republic from July 12, 2021, to August 20, 2021.

28 Nov 2021

SARS-CoV-2 Omicron variant: What we know so far

On November 24, 2021, the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron (B.1.1.529) variant was first reported to the World Health Organization (WHO) from South Africa.

28 Nov 2021

Viral RNA in the blood found to be a reliable indicator of COVID-19 mortality risk

The amount of a SARS-CoV-2 genetic material - viral RNA - in the blood is a reliable indicator in detecting which patients will die of the disease, a team led by Université de Montréal medical professor Dr. Daniel Kaufmann has found.

26 Nov 2021

Efficacy and safety of an RBD-based recombinant protein COVID-19 vaccine

A study developed a protein-based subunit vaccine, PHH-1V, that consisted of a recombinant RBD fusion heterodimer of the alpha) and beta variants of SARS-CoV-2.

26 Nov 2021

SARS-CoV-2 vaccine based on vesicular stomatitis virus exhibits high neutralizing efficacy against variants

Scientists have tested the efficacy of BriLife®-vaccinated human sera in neutralizing more infectious and probably more virulent SARS-CoV-2 variants.

26 Nov 2021

A review of natural immunity, vaccines, and variants in SARS-CoV-2 reinfection

In a literature review article published in the Journal of Community Hospital Internal Medicine Perspectives, authors from the US performed a thorough investigation of previous studies and case reports of SARS-CoV-2 reinfection. This review discusses the role of natural immunity, vaccines, and SARS-CoV-2 variants in reinfection.

25 Nov 2021

Study explores adverse effects of SARS-CoV-2-induced antibody responses

The authors of a research paper published in the journal Frontiers in Immunology used Sandwich ELISA tests to determine the distribution of IgG sub-classes and complement activation levels in plasma from convalescent individuals.

25 Nov 2021

Researchers reveal possible role for anti-idiotype antibodies in long-term effects of COVID-19

With around 256 million cases and more than 5 million deaths worldwide, the COVID-19 pandemic has challenged scientists and those in the medical field.

25 Nov 2021

Using metal nanoparticles to fight SARS-CoV-2

A recent review article looks at the potential of nanotechnology in fighting severe acute respiratory syndrome 2 (SARS-CoV-2), with several possibilities of strategies in therapeutics, vaccines, and prevention.

25 Nov 2021

COVID-19 vaccine boosters to prevent breakthrough SARS-CoV-2 infections in healthy adults

Researchers measured anti-RBD IgG and virus neutralization before and after vaccination with boosters.

25 Nov 2021

Safety and immunogenicity of COVID-19 peptide vaccine

In a study published in Nature, researchers from University Hospital Tübingen have been investigating the results from a Phase I trial for a new vaccine against SARS-CoV-2 variants.

25 Nov 2021

Researchers investigate Moderna COVID-19 vaccine efficacy

Researchers have been investigating the vaccine efficacy of the mRNA-1273 vaccine.

25 Nov 2021

SARS-CoV-2 Delta variant mutation sites

A new review article dissected the sites of mutation in the RBD of the Delta variant and other variants of concern and variants of alert and interest.

25 Nov 2021

Serum SARS-CoV-2 antigen: A better predictor of COVID-19 severity

In this perspective, a new study published on the medRxiv* preprint server analyzed the clinical efficacy of two serum antigen tests to identify SARS CoV-2 infection and evaluate the kinetics of serum nucleocapsid (N) antigen in severe and non-severe patients for disease severity prediction.

24 Nov 2021