Antigen News and Research

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Booster vaccines found to augment T-cell responses to SARS-CoV-2 Omicron

In a recent study published in the latest issue of the journal Cell, a team of researchers evaluated T-cell reactivity to the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron variant's spike (S) and non-spike proteins.

6 Feb 2022

Vaccine-induced immunity and prior infection effective in reducing COVID severity in reinfections

A recent study posted to the Research Square* preprint server and under consideration for inclusion in the journal Scientific Reports assessed the epidemiology of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) reinfections.

6 Feb 2022

Many COVID-19 patients still contagious after five days

A new study shows that a high proportion of individuals still test positive for SARS-CoV-2 infection using RATs after five days of quarantine.

6 Feb 2022

Wistar researchers takes a promising step in the direction of developing HIV vaccine

Nearly four decades after its discovery, HIV has killed 36.3 million people, with no vaccine in sight. However, a new study by researchers at The Wistar Institute, an international biomedical research leader in cancer, immunology, infectious disease, and vaccine development, takes a promising step in the direction of developing an HIV vaccine.

4 Feb 2022

Study finds the vaccine effectiveness of 3 COVID-19 vaccines to be lower than earlier estimates

The researchers studied residents in Aragon, Spain, and conducted a prospective population-based cohort study among the Aragon Health Service users of 16 years old and higher.

4 Feb 2022

Hp-XeMRI identifies impaired gas transfer in lungs of non-hospitalised breathless Long-COVID patients with normal CT scans

Researchers have been investigating the symptoms and effect on the lungs in those who suffered from hospitalization due to COVID-19 but fully recovered and non-hospitalized sufferers of long-COVID.

4 Feb 2022

Researchers develop influenza virus-like particle-based hybrid vaccine for both influenza and SARS-CoV-2 viruses

In a new study, a team of researchers developed a hybrid vaccine for SARS-CoV-2 and influenza viruses using influenza virus-like particles (VLP).

4 Feb 2022

Predicting immunity evasion of SARS-CoV-2 Omicron variant of concern

In a new study, a team of researchers assessed the affinity of the SARS-CoV-2 Omicron variant of concern towards major histocompatibility complex (MHC) binding

4 Feb 2022

Exploring human milk oligosaccharides as a method of COVID-19 prevention

New research was conducted to ascertain whether antiviral and immunomodulatory activities of human milk oligosaccharides can be efficacious in the prevention and treatment against COVID-19.

3 Feb 2022

Nanoparticle vaccine effective against eight SARS-CoV-2 variants in non-human primates

Researchers demonstrate that SARS-CoV-2 RBD-based nanoparticle vaccine induces neutralizing antibodies against SARS-CoV-2 variants.

2 Feb 2022

Analysis of SARS-CoV-2 Omicron variant-associated travel restrictions worldwide

Researchers evaluate the travel restrictions placed by nations worldwide following the emergence of the SARS-CoV-2 Omicron variant.

2 Feb 2022

Exploring protection via a 4th dose of BNT162b2 against SARS-CoV-2 Omicron variant in Israel

In a new study, researchers from Israel assessed the effectiveness of a fourth dose of BNT162b2 vaccine (Pfizer-BioNTech) against confirmed infection and severe illness due to COVID-19.

2 Feb 2022

Rapid antigen test for SARS-CoV-2 shows lower sensitivity

In a new study, researchers assessed a rapid antigen (Ag) test for SARS-CoV-2.

2 Feb 2022

Quantitative framework to investigate the dynamic mechanism of host immune response confronting SARS-CoV-2 infection

The authors highlight that they have created a quantitative framework that allows the dynamic mechanism of the immune response to SARS-CoV-2 to be properly investigated.

2 Feb 2022

Determining the limit of detection for SARS-CoV-2 Omicron variant using rapid antigen tests

In a new study, researchers examined the analytical sensitivity of three widely used rapid antigen tests used in the USA to detect the SARS-CoV-2 Omicron variant, compared with the WA1 strain.

2 Feb 2022

Assessing an intranasal lentiviral booster against COVID-19 variants

A new study explores the possibility of vaccination via nasal route utilizing a lentiviral vaccination vector (LV) to be administered as a booster dose against COVID-19.

2 Feb 2022

Representative structures of SARS-CoV-2 and development of therapeutic agents for targeting these proteins

Researchers from China summarized the representative structures of SARS-CoV-2 proteins and discussed the development of novel therapeutic agents for targeting these proteins to treat and prevent COVID-19.

2 Feb 2022

New approach to CAR T-cell therapy for B-cell cancers triples the targeted antigens on cancer cells

Researchers at University Hospitals Seidman Cancer Center and Case Western Reserve University have developed a novel approach to chimeric antigen receptor (CAR) T-cell therapy for B-cell cancers that triples the targeted antigens on cancer cells – a "back up" approach that promises to greatly reduce the potential for antigen escape currently found in CAR T therapies that solely target CD19.

2 Feb 2022

COVID-19 vaccines induce robust cellular immune response against SARS-CoV-2 Omicron

A team of scientists from the United States has recently demonstrated that current coronavirus disease 2019 (COVID-19) vaccines induce robust spike-specific T cell responses against the Omicron variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).

1 Feb 2022

Study: COVID-19 infections tend to be milder in fully vaccinated patients

The clinical and imaging characteristics of COVID-19 breakthrough infections in fully vaccinated patients tend to be milder than those of partially vaccinated or unvaccinated patients, according to a new multicenter study published in the journal Radiology.

1 Feb 2022

Antigen News and Research

Booster vaccines found to augment T-cell responses to SARS-CoV-2 Omicron

Vaccine-induced immunity and prior infection effective in reducing COVID severity in reinfections

Many COVID-19 patients still contagious after five days

Wistar researchers takes a promising step in the direction of developing HIV vaccine

Study finds the vaccine effectiveness of 3 COVID-19 vaccines to be lower than earlier estimates

Hp-XeMRI identifies impaired gas transfer in lungs of non-hospitalised breathless Long-COVID patients with normal CT scans

Researchers develop influenza virus-like particle-based hybrid vaccine for both influenza and SARS-CoV-2 viruses

Predicting immunity evasion of SARS-CoV-2 Omicron variant of concern

Exploring human milk oligosaccharides as a method of COVID-19 prevention

Nanoparticle vaccine effective against eight SARS-CoV-2 variants in non-human primates

Analysis of SARS-CoV-2 Omicron variant-associated travel restrictions worldwide

Exploring protection via a 4th dose of BNT162b2 against SARS-CoV-2 Omicron variant in Israel

Rapid antigen test for SARS-CoV-2 shows lower sensitivity

Quantitative framework to investigate the dynamic mechanism of host immune response confronting SARS-CoV-2 infection

Determining the limit of detection for SARS-CoV-2 Omicron variant using rapid antigen tests

Assessing an intranasal lentiviral booster against COVID-19 variants

Representative structures of SARS-CoV-2 and development of therapeutic agents for targeting these proteins

New approach to CAR T-cell therapy for B-cell cancers triples the targeted antigens on cancer cells

COVID-19 vaccines induce robust cellular immune response against SARS-CoV-2 Omicron

Study: COVID-19 infections tend to be milder in fully vaccinated patients

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