immunity News and Research

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Clinical trials of novel COVID-19 vaccine developed in Brazil to begin soon

Testing on humans of a novel COVID-19 vaccine developed in Brazil will begin this year. It performed well in animal trials, as reported in an article published in August in Nature Communications.

6 Oct 2022

Intranasal vaccine represents an effective broad-spectrum COVID-19 vaccine strategy

Researchers evaluated the efficacy of dNS1-RBD, a novel intranasal COVID-19 vaccine.

6 Oct 2022

$The immune responses and safety of fractional third-doses of heterologous COVID-19 vaccines after CoronaVac primary series$

The immune responses and safety of fractional third-doses of heterologous COVID-19 vaccines after CoronaVac primary series

Researchers evaluated the vaccine effectiveness of half-doses of AZD1222 or BNT162b2 COVID-19 vaccines as a booster dose following primary series vaccination with CoronaVac.

6 Oct 2022

Study shows the important role of hepatocyte adenosine kinase in NAFLD progression

A study led by Texas A&M AgriLife Research provides compelling evidence of the important role of hepatocyte adenosine kinase in the progression of nonalcoholic fatty liver disease, NAFLD.

5 Oct 2022

Transient cell-in-cell formation by tumor cells found to build resistance to immunotherapy

Researchers demonstrated that tumor cells evade immunotherapy by generating unique transient cell-in-cell structures, resistant to chemotherapy and destruction by T cells.

5 Oct 2022

Omicron reduces host antibody response by lower B-cell antigenicity

A new study explores the functional relevance of some Omicron mutations in terms of their ability to escape neutralizing antibody responses.

4 Oct 2022

What are the challenges of COVID-19 vaccination and herd immunity?

A new study reviewed the challenges of coronavirus disease 2019 (COVID-19) vaccination and herd immunity.

4 Oct 2022

Spike-specific memory B cells develop resilience to SARS-CoV-2

In a recent study posted to the bioRxiv* preprint server, researchers explored the cross-reactivity, avidity, and kinetics of memory B-cells and serum antibodies in vaccinated and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infected individuals.

4 Oct 2022

How COVID-19 affects the female reproductive system

A new review in the Biology of Reproduction journal analyzed the relationship between the immune system and the female reproductive system while focusing on the effects of COVID-19-associated immune responses on the reproductive system. The study searched PubMed to identify peer-reviewed literature in English up to May 2022 and finally included 83 studies.

3 Oct 2022

A case for updating COVID vaccines with beta variant spike sequences

A recent Nature Communications study has discussed preclinical and clinical data on COVID-19 vaccine antigens that could be utilized to develop effective booster vaccines.

3 Oct 2022

Is it safe to breastfeed after the COVID-19 mRNA vaccination?

A recent study attempts to answer the question of whether the COVID-19 vaccine is safe for lactating women who received the vaccine within six months postpartum.

3 Oct 2022

Does high vaccine coverage among the adult population grant the unvaccinated younger population indirect protection against SARS-CoV-2?

Researchers investigated whether the mass vaccination of the adult population of Schwaz, Austria, against SARS-CoV-2 conferred an indirect protective effect on the proportion of unvaccinated children in the population.

3 Oct 2022