immunity News and Research

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Should a COVID-19 vaccine be mandatory for children?

As the search for a severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccine continues, with some candidate vaccines nearing the completion Phase III clinical trials, a trio of experts weighs in with some sound reasoning as to whether any future vaccine should be considered mandatory for children. The viewpoint article is published in the journal JAMA Pediatrics in September 2020.

14 Sep 2020

India's whole-virion inactivated SARS-CoV-2 vaccine shows promise

Researchers in India have conducted a preclinical study demonstrating the safety and efficacy of a new candidate vaccine for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the agent that causes coronavirus disease 2019 (COVID-19).

13 Sep 2020

Middle-aged adults may be in a perpetual state of H3N2 flu virus vulnerability

Penn Medicine researchers have found that middle-aged individuals -- those born in the late 1960s and the 1970s -- may be in a perpetual state of H3N2 influenza virus susceptibility because their antibodies bind to H3N2 viruses but fail to prevent infections, according to a new study led by Scott Hensley, PhD, an associate professor of Microbiology at the Perelman School of Medicine at the University of Pennsylvania.

12 Sep 2020

Researchers develop highly scalable, accurate antibody test for COVID-19

An antibody test for the virus that causes COVID-19, developed by researchers at The University of Texas at Austin in collaboration with Houston Methodist and other institutions, is more accurate and can handle a much larger number of donor samples at lower overall cost than standard antibody tests currently in use.

12 Sep 2020

Seroconversion marks recovery from COVID-19

Nine months into the COVID-19 pandemic, scientists are still seeking to understand the protective immunity that develops against the causative agent severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Despite the increasing need for serological tests in epidemiology, their clinical value has not been fully established. A new paper published in the Journal of Medical Virology in September 2020 describes the relationship of COVID-19 disease symptoms with the serological status over time.

11 Sep 2020

New review explores the role of antibodies and T-cells towards an effective COVID vaccine

More than 100 companies have rushed into vaccine development against COVID-19 as the U.S. government pushes for a vaccine rollout at "warp speed" -- possibly by the end of the year -- but the bar set for an effective, long-lasting vaccine is far too low and may prove dangerous, according to Marc Hellerstein of the University of California, Berkeley.

11 Sep 2020

New antitumor vaccines control melanoma growth in preclinical models

Combining their expertise in protein engineering and synthetic DNA technology, scientists at The Wistar Institute successfully delivered nanoparticle antitumor vaccines that stimulated robust CD8 T cell immunity and controlled melanoma growth in preclinical models.

11 Sep 2020

New book gives overview of viruses and how they emerge to cause pandemics

Since the novel coronavirus SARS-Cov-2 emerged late last year, it has been virtually impossible to consume any news without encountering stories about the virus and how it spreads, potential treatments, and the development of new vaccines.

11 Sep 2020

Effective, simple, safe self-amplifying RNA vaccines

A recent review paper in the journal Current Opinion in Virology in September 2020 shows how a new generation of RNA vaccines called self-amplifying RNA vaccines are more potent than conventional mRNA vaccines and could hold the key to the global production of cost-effective potent COVID-19 vaccines.

11 Sep 2020

New study brings researchers closer to a universal COVID-19 antibody test

A new study released by Houston Methodist takes researchers a significant step closer to developing a uniform, universal COVID-19 antibody test.

11 Sep 2020

Study: Seven in 10 Americans interested in receiving a COVID-19 vaccine

Almost seven in 10 Americans would be interested in receiving a COVID-19 vaccine when one becomes available, according to a new study. But researchers say there are concerning gaps in interest, particularly among Black Americans, who suffer disproportionately from the virus.

10 Sep 2020

Study shows role of pathogens in shaping human evolution

Every human cell harbors its own defenses against microbial invaders, relying on strategies that date back to some of the earliest events in the history of life, researchers report.

10 Sep 2020

Study reviews recent insights into the pathogenesis of feline leukemia virus infection

Feline leukaemia virus (FeLV) is a gammaretrovirus that occurs worldwide in domestic cats, as well as small wild cats. It is associated with various serious, and sometimes fatal, diseases including anaemia, immunosuppression and certain cancers

10 Sep 2020

Sex-differential COVID-19 responses are mediated by kynurenic acid

Now, a new study by a research team from Yale University, USA, Edith Cowan University, Australia, and the University of Strathclyde, Scotland, and published on the preprint server medRxiv in September 2020 shows that kynurenic acid is the underlying factor which is responsible for these differences.

9 Sep 2020

Convalescent plasma fails to improve outcome of COVID-19 in India

A new study based in India and published on the medRxiv preprint server explores the role of convalescent plasma (CP) in the treatment of moderate COVID-19 within the limitations on resources faced in a developing country.

9 Sep 2020

Allergic immune response against bacteria is not pathological but protective

Allergy is one of the most common diseases in Europe, it is estimated that more than 150 million Europeans suffer from recurring allergies and by 2025 this could have increased to half of the entire European population.

9 Sep 2020

Study reveals how B cells react to SARS-CoV-2

In an exciting immunological medRxiv preprint paper, researchers from Germany and Russia analyzed adaptive immune response in severely affected patients with coronavirus disease (COVID-19). They demonstrated a protracted immune reaction characterized by egress of B lymphocytes into the blood.

9 Sep 2020

Host gene editing main driving force of SARS-CoV-2 mutations

A new study published on the aRxiv preprint server in September 2020 shows that the host immune response, mediated by two RNA editors, causes the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) to adapt and change strain characteristics.

9 Sep 2020

Vitamin D deficiency can increase risk of COVID-19

Researchers from Israel have found that there could be a link between deficiency of vitamin D and infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Their study titled, “The link between vitamin D deficiency and COVID-19 in a large population,” has been released pre-publication at the medRxiv* server.

8 Sep 2020

Comparing COVID-19 spread between cities and the countryside

The new study, which was published in the open-source medRxiv and has not yet been peer-reviewed, shows that superspreaders and population heterogeneity are the core factors explaining the discrepancy of cases.

8 Sep 2020