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Researchers report the development of robust candidate single immunization PNP hydrogel COVID vaccines

Researchers developed a one-dose subunit vaccine for the induction of durable, potent, and broad immunity against SARS-CoV-2.

16 Dec 2022

Scientists identify a novel epitope at the SARS-CoV-2 spike furin cleavage site

Scientists identify an immunogenic epitope at the furin cleavage site of the SARS-CoV-2 spike protein.

15 Dec 2022

Sheep milk could be an inexpensive source of therapeutic polyclonal SARS-CoV-2 neutralizing antibodies

Researchers used sheep, a ruminant mammal, to obtain polyclonal immunoglobulins (IgGs) against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).

15 Dec 2022

Overview of current methods, technologies, and applications in the molecular diagnosis of mpox

Researchers provided an overview of existing molecular methods for mpox virus detection.

13 Dec 2022

Report makes recommendations clarifying the ethics and oversight of chimeric research

A new report on the ethics of crossing species boundaries by inserting human cells into nonhuman animals – research surrounded by debate – makes recommendations clarifying the ethical issues and calling for improved oversight of this work.

13 Dec 2022

Intranasal recombinant MVA-based vaccines effective against SARS-CoV-2 variants in mice

Researchers construct a recombinant host-range restricted vaccinia virus Ankara (rMVAs) expressing the spike proteins of several SARS-CoV-2 variants.

11 Dec 2022

What are the associations of metabolome, microbiome, and immune perturbations with severe COVID-19?

In a new study, researchers observed that coronavirus disease 2019 (COVID-19) progression and inflammatory responses are associated with changes in the metabolome and microbiome.

8 Dec 2022

Booster COVID-19 mRNA vaccinations marginally increase the durability of neutralizing antibody responses

Researchers investigated the immunological mechanisms behind the decreasing efficacy of COVID-19 vaccines by evaluating the durability and magnitude of neutralizing antibodies and memory B and T cell responses to booster doses of mRNA COVID-19 vaccine.

8 Dec 2022

Researchers share results of MVA-BN-respiratory syncytial virus vaccine human challenge trial

Researchers reported the immunogenicity, efficacy, and safety of the MVA-BN (modified vaccinia Ankara-Bavarian Nordic)-RSV (respiratory syncytial virus) vaccine against RSV-A (RSV subtype A) Memphis 37b strain in a human challenge trial.

7 Dec 2022

Exploring immunogenicity, boosting efficacy and safety of modified vaccinia Ankara-Bavarian Nordic vaccine

Researchers evaluated the immunogenicity, boosting efficacy, and safety of single-dose and two-dose MVA-BN (modified vaccinia Ankara-Bavarian Nordic) vaccinations in comparison to replicating smallpox vaccines.

7 Dec 2022

Study explores histopathological, serological, and clinical characteristics of PASC in patients with mild COVID-19

Researchers investigated the clinical, histopathological, imaging, and serological characteristics of post-acute sequelae of coronavirus disease 2019 (COVID-19) (PASC) in patients with mild COVID-19.

5 Dec 2022

Researchers develop a polyvalent lipid nanoparticle mRNA vaccine against Monkeypox virus

Researchers developed an mRNA technology-based vaccine candidate against the monkeypox virus and evaluated its immunogenicity in animal models.

5 Dec 2022

Antibody responses engendered by maternal SARS-CoV-2 vaccination following initial and booster doses in maternal circulation and breastmilk

Researchers investigated passive immunization of the fetus and neonates by evaluating the antibody responses elicited by primary and booster doses of maternal SARS-CoV-2 vaccination.

2 Dec 2022

Novel prefusion S antigen designed by the mutation of the SARS-CoV-2 Spike protein’s trimeric structure

Researchers mutated the SARS-CoV-2 spike protein's trimeric structure to design a novel prefusion S antigen, S2D14.

1 Dec 2022

Broadly cross-reactive antibodies that protect from SARS-CoV-2 variants are revealed by virus coldspot-driven discovery

A recent study identified neutralizing antibodies against conserved SARS-CoV-2 epitopes.

30 Nov 2022

The antibody resistance profile and viral receptor binding affinity of SARS-CoV-2 Omicron BQ.1, BQ.1.1, XBB, and XBB.1 subvariants

Researchers investigated the neutralizing antibody titers against the newly emergent BQ.1, BQ.1.1, XBB, and XBB.1 SARS-CoV-2 Omicron subvariants using sera from individuals with primary and booster COVID-19 vaccinations and previous SARS-CoV-2 infections.

30 Nov 2022

New biosensing platform detects SARS-CoV-2 antibodies in five minutes

Rapid, cheap and accurate tests continue to be essential for epidemiological surveillance and for health services to monitor and contain the spread of SARS-CoV-2. Brazilian scientists have contributed to endeavors in this field by developing an electrochemical immunosensor that detects antibodies against the virus.

29 Nov 2022