immunity News and Research

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New Omicron variant may be better at evading vaccine-induced antibodies, research shows

The Omicron variant of SARS-CoV-2 may be significantly better than previous variants at evading vaccine-induced antibodies, according to new research from Cambridge - but preliminary evidence suggests it is less likely to cause severe COVID-19 illness in the lungs.

20 Dec 2021

Omicron variant of SARS-CoV-2 exhibits striking antibody evasion

Researchers discuss the likely impact on current convalescent therapies and immunity of vaccinated individuals against the SARS-CoV-2 Omicron variant.

20 Dec 2021

Reduced antibody-mediated neutralization by the SARS-CoV-2 Omicron variant

Researchers discuss the sensitivity of the SARS-CoV-2 Omicron variant towards various monoclonal antibodies.

20 Dec 2021

Researchers predict 200% increase in European coronavirus cases as Omicron spreads

New algorithms predict how the Omicron variant will spread across 27 countries in the European Union, the United Kingdom, and Switzerland.

20 Dec 2021

A test to identify antibody effectiveness against COVID-19 variants

Since the start of the COVID-19 pandemic, variants have begun to emerge. We spoke to Jacob Heggestad about his rapid test that can detect these variants.

20 Dec 2021

Anti-SARS-CoV-2 antibody infusion shown to demonstrate robust immune response following COVID-19 vaccination

A new study expands the understanding of the impact of receiving a prophylactic monoclonal antibody infusion, as well as other variables, on the endogenous immune response to complete COVID-19 immunization.

20 Dec 2021

Efficacy of SARS-CoV2 variant-specific replicating RNA vaccines on SARS-CoV-2 variants of concern

A new study evaluates the repRNA vaccine expressing the SARS-CoV-2 spike protein for the B.1.1.7 and B.1.351 variants in mice and hamsters.

19 Dec 2021

Study says COVID mRNA-based vaccines best for booster vaccination

A new study looks at the adaptive immune response to COVID-19 vaccines, wherein the authors compare heterologous to homologous immunization.

19 Dec 2021

Investigating potential cross-protection against SARS-CoV-2 after previous exposure to bovine coronavirus

Researchers have conducted an investigation to probe the similarity of viral epitopes between bovine coronavirus (BCoV) and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).

17 Dec 2021

Simulating transmission dynamics of SARS-CoV-2 Omicron variant

Researchers simulated the emergence of Omicron, a novel SARS-CoV-2 VOC, in a general European setting using an individual-based transmission model.

17 Dec 2021

Predicting local surges of COVID-19 hospitalizations in 2022

Researchers have identified simple and easy-to-communicate decision rules to provide early warnings - when a pre-specified threshold of hospital capacity will likely be exceeded within a four or eight week period.

17 Dec 2021

Modeling the potential interaction between COVID-19 outbreaks in susceptible and vaccinated sub-populations

Researchers demonstrated that the combination of infection of remaining susceptible individuals and breakthrough infections of vaccinated individuals promotes infection by invading variants.

17 Dec 2021

WHO supports Nigeria in responding to the yellow fever outbreak amidst a global pandemic

In early November 2020, positive samples for yellow fever were reported from five Nigerian states. Nigeria is a high-risk country for yellow fever and is a priority country for the global eliminate yellow fever epidemics (EYE) strategy.

17 Dec 2021

Long-term characteristics of long-COVID following hospitalization

A new study demonstrates the urgent need for healthcare services to support this huge and quickly growing patient population, which has a significant burden of symptoms, lower exercise ability, and significant reductions in health-related quality of life after one year.

17 Dec 2021

Prediction of waning COVID-19 vaccine efficacy against Omicron variant

Researchers performed a meta-analysis of the results of four previous studies estimating fold-drop in neutralization titer against Omicron to present a combined estimate of the same.

17 Dec 2021

Analysis of the alteration of neutralizing titers with Omicron pseudovirus

A new study measured antibody levels from blood samples of vaccinated individuals and individuals who recovered from COVID-19 illness.

17 Dec 2021

Study provides a more effective treatment approach to preventing graft-versus-host-disease

A new study led by UC Davis Health researchers showed that blocking IL-6 and TNF cytokines provides a more effective approach to preventing life-threatening graft-versus-host-disease (GVHD), an inflammatory condition that develops in patients after their allogeneic hematopoietic stem cell transplantation (allo-HSCT).

16 Dec 2021

G7 health ministers issue statement on the global threat of Omicron variant

G7 health ministers today held their final meeting of the UK's G7 Presidency, focusing particularly on the very worrying developments on Omicron.

16 Dec 2021

NIH scientists highlight the urgent need for universal coronavirus vaccines

A growing body of scientific evidence, considered together with ecological reality, strongly suggest that novel coronaviruses will continue to infect bats and other animal reservoirs and potentially emerge to pose a pandemic threat to humans.

16 Dec 2021

New study demonstrates SARS-CoV-2 Omicron antibody escape

A new study examined the neutralization of virus variants using three sets of antibodies: serum from individuals vaccinated or infected with earlier variants of the virus; concentrated human antibodies from plasma donors; and approved monoclonal antibodies.

16 Dec 2021

immunity News and Research

New Omicron variant may be better at evading vaccine-induced antibodies, research shows

Omicron variant of SARS-CoV-2 exhibits striking antibody evasion

Reduced antibody-mediated neutralization by the SARS-CoV-2 Omicron variant

Researchers predict 200% increase in European coronavirus cases as Omicron spreads

A test to identify antibody effectiveness against COVID-19 variants

Anti-SARS-CoV-2 antibody infusion shown to demonstrate robust immune response following COVID-19 vaccination

Efficacy of SARS-CoV2 variant-specific replicating RNA vaccines on SARS-CoV-2 variants of concern

Study says COVID mRNA-based vaccines best for booster vaccination

Investigating potential cross-protection against SARS-CoV-2 after previous exposure to bovine coronavirus

Simulating transmission dynamics of SARS-CoV-2 Omicron variant

Predicting local surges of COVID-19 hospitalizations in 2022

Modeling the potential interaction between COVID-19 outbreaks in susceptible and vaccinated sub-populations

WHO supports Nigeria in responding to the yellow fever outbreak amidst a global pandemic

Long-term characteristics of long-COVID following hospitalization

Prediction of waning COVID-19 vaccine efficacy against Omicron variant

Analysis of the alteration of neutralizing titers with Omicron pseudovirus

Study provides a more effective treatment approach to preventing graft-versus-host-disease

G7 health ministers issue statement on the global threat of Omicron variant

NIH scientists highlight the urgent need for universal coronavirus vaccines

New study demonstrates SARS-CoV-2 Omicron antibody escape

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