immunity News and Research

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Containing a Nipah virus outbreak amidst the COVID-19 pandemic

Containing a Nipah virus outbreak amidst the COVID-19 pandemic

A new study deals with a single case of Nipah virus that occurred in 2021, with no discoverable chain of transmission, apparently ending with the death of the index patient in Kerala.

15 Dec 2021

How fast has the Omicron strain been spreading in South Africa?

How fast has the Omicron strain been spreading in South Africa?

Scientists have shown the exponential growth of the Omicron strain found in Gauteng. They reported the doubling time of this strain to be equal to 3.38 days by analyzing its growth from November 8 to December 5, 2021. Based on the mutation accumulation profile, researchers revealed that this strain began to diverge between October 28 and November 5, 2021.

15 Dec 2021

Omicron evades immunity more than other SARS-CoV-2 variants

Omicron evades immunity more than other SARS-CoV-2 variants

Researchers find that the SARS-CoV-2 Omicron variant shows a much more extensive escape from vaccine-elicited immunity.

14 Dec 2021

The evolution of SARS-CoV-2 variants during slow and fast epidemics

The evolution of SARS-CoV-2 variants during slow and fast epidemics

Researchers discuss an analytical framework to investigate the contribution of the transmissibility advantage SARS-CoV-2 variants.

14 Dec 2021

Driving up immunity at tumor site may help enhance immunotherapy treatments

Driving up immunity at tumor site may help enhance immunotherapy treatments

Driving up the immune response at the site of a cancer tumor with nanotechnology may help enhance immunotherapy treatments in advanced stages of the disease, new research in mice suggests.

14 Dec 2021

Study finds prior infection boosts antibody responses after a single COVID-19 vaccination

Study finds prior infection boosts antibody responses after a single COVID-19 vaccination

In a recent study, researchers evaluated the antibody response in previously infected individuals after a single dose of several COVID-19 vaccines.

14 Dec 2021

England's Chief Medical Officer calls on the public to get booster vaccination

England's Chief Medical Officer calls on the public to get booster vaccination

Chief Medical Officer for England Professor Chris Whitty will call on the public to get a booster vaccination, in a nationwide advertising campaign launching today (Tuesday 14 December) to further galvanize the booster program.

14 Dec 2021

Dynamics and relative transmission rates of SARS-CoV-2 variants in the US

Dynamics and relative transmission rates of SARS-CoV-2 variants in the US

Findings of a new study reveal that the transmission dynamics of SARS-CoV-2 variants could help tackle local and regional epidemics.

14 Dec 2021

Vaccinated seropositive individuals are able to induce high anti-spike SIgA responses

Vaccinated seropositive individuals are able to induce high anti-spike SIgA responses

Results of a new study show that the induction of anti-SARSCoV-2 spike saliva SIgA antibodies after vaccination is independent of the gender or type of vaccine received.

14 Dec 2021

Assay for the identification of SARS-CoV-2 Spike reactive T and B cells

Assay for the identification of SARS-CoV-2 Spike reactive T and B cells

An interesting new paper presents a new assay for B and T lymphocytes in individuals infected with SARS-CoV-2.

14 Dec 2021

Evaluating the exclusion of unvaccinated people in the prevention of SARS-CoV-2 transmission

Evaluating the exclusion of unvaccinated people in the prevention of SARS-CoV-2 transmission

New study results suggest that the numbers needed to exclude model and baseline infection risk could be key indicators of the drawbacks and benefits of vaccine mandates and vaccine passports.

14 Dec 2021

Risk of SARS-CoV-2 reinfection in children compared to adults

Risk of SARS-CoV-2 reinfection in children compared to adults

The current study aimed to explore the rate and risk of SARS-CoV-2 reinfections in children.

14 Dec 2021

New mRNA vaccine platform provides stronger protection against SARS-CoV-2 delta variant

New mRNA vaccine platform provides stronger protection against SARS-CoV-2 delta variant

A group of researchers from various institutions developed a nucleoside-modified mRNA vaccine that encodes the SARS-CoV-2 N protein (mRNA-N) and is formulated in lipid nanoparticles for this investigation (LNP).

14 Dec 2021

Determination of the effectiveness of COVID-19 vaccination using T cell receptor repertoire

Determination of the effectiveness of COVID-19 vaccination using T cell receptor repertoire

A new study published on the bioRxiv preprint server has hypothesized that T cell receptors (TCR) repertoire can measure the response to vaccines, as it would identify the TCR of clones that respond to the vaccination.

13 Dec 2021

A model-based evaluation on the effectiveness of social distancing in COVID

A model-based evaluation on the effectiveness of social distancing in COVID

Researchers utilize a mathematical model-based analysis to assess how social distancing measures contained the COVID-19 pandemic and reduced mortality.

13 Dec 2021

New England research on population immunity and SARS-CoV-2

New England research on population immunity and SARS-CoV-2

A new study discusses a model-based reconstruction of SARS-CoV-2 attack rate and population-immunity curves for three New England states.

13 Dec 2021

Novel assay using finger-prick samples provides COVID-19 vaccine efficacy data

Novel assay using finger-prick samples provides COVID-19 vaccine efficacy data

Researchers estimate vaccine efficacy over a period post-vaccination using quantitative antibody assay on finger-prick blood samples.

13 Dec 2021

Third dose of SARS-CoV-2 vaccine increases protection against omicron variant

Third dose of SARS-CoV-2 vaccine increases protection against omicron variant

A new study examines the variation in vaccine effectiveness against virus variants using estimated reductions in neutralizing antibody levels from published studies.

13 Dec 2021

750 Armed Forces personnel step up to accelerate the vaccine booster program

750 Armed Forces personnel step up to accelerate the vaccine booster program

750 Armed Forces personnel have been made available to support the NHS, the Department of Health and Social Care and Scottish Government to accelerate the vaccine booster program.

13 Dec 2021

Study suggests pre-existing human common cold coronavirus antibodies hinder SARS-CoV-2 immunity

Study suggests pre-existing human common cold coronavirus antibodies hinder SARS-CoV-2 immunity

In this study cohort, SARS-CoV-2 infections were confirmed via the RT-PCR test.

13 Dec 2021

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