Coronavirus News and Research

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COVID-19 surges are driven by appearance of new SARS-CoV-2 variants, genome sequencing shows

Genome sequencing of thousands of SARS-CoV-2 samples shows that surges of COVID-19 cases are driven by the appearance of new coronavirus variants, according to new research from the School of Veterinary Medicine at the University of California, Davis published April 1 in Scientific Reports.

1 Apr 2021

Researchers develop a recombinant SARS-CoV-2 receptor-binding domain trimer vaccine candidate

New research deals with the development of RBD trimer as a potent target for SARS-CoV-2 subunit vaccines. This study revealed the development of a trimeric RBD subunit vaccine candidate that could induce strong humoral and cellular immune responses in nonhuman primates (NHPs), namely, rhesus macaques.

1 Apr 2021

Temperature difference in the upper and lower respiratory tract influences SARS-CoV-2 replication

A team of researchers from the Institute for Infectious Diseases (IFIK) at the University of Bern and the Federal Institute of Virology and Immunology (IVI) have assessed virus growth and activation of the cellular defense mechanisms in the respiratory tract.

1 Apr 2021

Discovery of cryptic pocket in SARS-CoV-2 may lead to pan-coronavirus therapies

A new research paper published in the Biophysical Journal describes a novel binding pocket used by a viral non-structural protein (nsp) to form an activated complex with its partner nsp. In so doing, it may have revealed a common target that may be useful in the development of a broad-spectrum antiviral drug against all coronaviruses.

1 Apr 2021

COVID-19 vaccine acceptance in pregnancy

A new preprint research paper posted to the medRxiv* server shows that while pregnant women are seriously worried about their risk of contracting the infection caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), but are also hesitant to take the vaccine.

1 Apr 2021

Antibodies produced from infection with SARS-CoV-2 501Y.V2 protect against other variants

A recent paper in the journal Nature shows that while earlier lineages do not elicit antibodies capable of efficiently neutralizing the newly emerged South African variant, SARS-CoV-2 501Y.V2 (B.1.351), the converse does occur.

31 Mar 2021

Oxford-AstraZeneca vaccine effective against B.1.1.7 SARS-CoV-2 variant

Published in The Lancet, the study explores if the Oxford-AstraZeneca vaccine works well in protecting against the B.1.1.7 variant, otherwise known as the U.K. variant.

31 Mar 2021

Study estimates impact of amino acid changes on SARS-CoV-2 infection

New research led by Costas D. Maranas from The Pennsylvania State University predicts amino acid changes to the receptor-binding domain of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike protein would negatively impact binding affinity and subsequent infection into human cells.

31 Mar 2021

Study reports on two cats that caught COVID-19

Our feline friends are also vulnerable to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, according to new research posted to the preprint server bioRxiv. The researchers diagnosed two cats living in France with mild symptomatic COVID-19 illness. The virus was most likely transmitted from their owners.

31 Mar 2021

Risk of SARS-CoV-2 from reinfected individuals with previous infection or vaccination

A technical report recently published by the European Center for Disease Prevention and Control (ECDC) has summarized all available literature regarding the risk of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) transmission from asymptomatic reinfected individuals with a history of SARS-CoV-2 infection or vaccination.

31 Mar 2021

New portable viral screening test can diagnose COVID-19 in minutes and track variants

Clinicians using a new viral screening test can not only diagnose COVID-19 in a matter of minutes with a portable, pocket-sized machine, but can also simultaneously test for other viruses--like influenza--that might be mistaken for the coronavirus.

31 Mar 2021

Study details COVID-19 risk factors among long-stay nursing home residents in the U.S.

Risks of SARS-CoV-2 coronavirus infection for long-stay nursing home residents were mainly dependent on factors in their nursing homes and surrounding communities, according to a large study led by a researcher at the Johns Hopkins Bloomberg School of Public Health.

31 Mar 2021

B.1.1.7 rapidly becoming the dominant SARS-CoV-2 variant in the United States

The faster-spreading B.1.1.7 variant of SARS-CoV-2 first detected in the United Kingdom, the coronavirus that causes COVID-19, is quickly on its way to becoming the dominant variant of the virus in the United States, according to a study from scientists at Scripps Research and the COVID-19 test maker Helix.

31 Mar 2021

New mRNA COVID-19 vaccine candidate shows promise in vivo

Researchers report that a new lipid nanoparticle mRNA coronavirus disease 2019 (COVID-19) vaccine candidate protected 70% of mice expressing the human angiotensin-converting enzyme 2 (ACE2), while all the non-vaccinated mice died.

31 Mar 2021

Are marine mammals are at risk of COVID-19?

Researchers have identified a number of marine mammal species native to Italian seawaters that may be highly susceptible to the disease. Additionally, these species inhabit ocean areas where the virus may be present even after receiving sewage treatment, thus highlighting the need for strict sewage improvement plans.

31 Mar 2021

Researchers evaluate antibodies that inhibit SARS-CoV-2 RBD variants with a novel assay

A team of researchers recently discussed the potential role of a new assay in bridging a major gap in SARS-CoV-2 research. This assay can throw light on 1) the selection of complementary monoclonal antibody candidates and 2) rapid identification of the immune escape to emerging RBD variants following vaccination or natural infection.

31 Mar 2021

Male fetuses impair the maternal and placental immune response to SARS-CoV-2 infection in pregnancy, finds study

The ongoing COVID-19 pandemic, caused by SARS-CoV-2, is now established to be more likely to lead to symptomatic and serious illness in males relative to females. This may extend as far back as pregnancy, suggests a recent study.

31 Mar 2021

Obesity and ethnicity identified as key risk factors for SARS-CoV-2 exposure in UK

The risk factors for severe COVID-19 have been established on the basis of observational studies. However, SARS-CoV-2 continues to cause thousands of COVID-19 cases all over the world, and the risk factors are unclear. A new study deals with this aspect of the pandemic.

31 Mar 2021

Infliximab may hinder the effectiveness of some COVID-19 vaccines

A new study reports reduced vaccine efficacy following the use of a single COVID-19 vaccine dose in people who are on the immunosuppressive monoclonal antibody Infliximab.

31 Mar 2021

Asymmetrical vaccine distribution could promote vaccine evading mutations in SARS-CoV-2

Researchers have investigated the ultimate influence of unequal vaccine distribution by mathematical modeling, revealing the critical role of fair distribution in future COVID-19 containment strategy.

31 Mar 2021

Coronavirus News and Research

COVID-19 surges are driven by appearance of new SARS-CoV-2 variants, genome sequencing shows

Researchers develop a recombinant SARS-CoV-2 receptor-binding domain trimer vaccine candidate

Temperature difference in the upper and lower respiratory tract influences SARS-CoV-2 replication

Discovery of cryptic pocket in SARS-CoV-2 may lead to pan-coronavirus therapies

COVID-19 vaccine acceptance in pregnancy

Antibodies produced from infection with SARS-CoV-2 501Y.V2 protect against other variants

Oxford-AstraZeneca vaccine effective against B.1.1.7 SARS-CoV-2 variant

Study estimates impact of amino acid changes on SARS-CoV-2 infection

Study reports on two cats that caught COVID-19

Risk of SARS-CoV-2 from reinfected individuals with previous infection or vaccination

New portable viral screening test can diagnose COVID-19 in minutes and track variants

Study details COVID-19 risk factors among long-stay nursing home residents in the U.S.

B.1.1.7 rapidly becoming the dominant SARS-CoV-2 variant in the United States

New mRNA COVID-19 vaccine candidate shows promise in vivo

Are marine mammals are at risk of COVID-19?

Researchers evaluate antibodies that inhibit SARS-CoV-2 RBD variants with a novel assay

Male fetuses impair the maternal and placental immune response to SARS-CoV-2 infection in pregnancy, finds study

Obesity and ethnicity identified as key risk factors for SARS-CoV-2 exposure in UK

Infliximab may hinder the effectiveness of some COVID-19 vaccines

Asymmetrical vaccine distribution could promote vaccine evading mutations in SARS-CoV-2

Achieving and maintaining ISO/IEC 27001 and BS 10012 certifications

Expanding research and clinical options for children with cancer

Examining how pain could play a direct protective role in the gut

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