covid 19 News and Research

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In Denmark, Omicron reinfections reveal ineffective post-COVID-19 immunity

In a recent study posted to the medRxiv* preprint server, researchers investigated variant-wise SARS-CoV-2 reinfection cases in Denmark.

20 Sep 2022

Molecular engineered low-cost highly effective RBD-based COVID vaccine

In a recent study posted to the bioRxiv* preprint server, an international team of researchers developed a second-generation severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) receptor binding domain (RBD) antigen (RBD-J6) by molecular engineering with two additional amino acid (aa) substitutions (S383D and L518D mutations) in a hydrophobic cryptic RBD core epitope to enhance stability and expression against SARS-CoV-2 variants of concern (VOCs).

19 Sep 2022

Study estimates 18 million Americans have long-COVID

In a recent study posted to the medRxiv* preprint server, researchers evaluated the prevalence, risk factors, and impact of post-coronavirus disease (COVID) conditions (PCC) or long COVID on daily activities among adults residing in the United States (US).

19 Sep 2022

COVID-19 during pregnancy damages the placenta's immune response to further infections

If a woman contracts COVID-19 during her pregnancy, the infection, even if it's mild, damages the placenta's immune response to further infections, a UW Medicine-led study has found.

19 Sep 2022

O-linked sialoglycans affect SARS-CoV-2 spike cleavage

In a recent study posted to the bioRxiv* preprint server, researchers from Spain, the United Kingdom, and the United States used chemical tools to uncover the molecular details of glycan-mediated modulation of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike (S) processing.

19 Sep 2022

Highly sensitive mask can detect respiratory viruses in the air within 10 minutes

Scientists have created a face mask that can detect common respiratory viruses, including influenza and the coronavirus, in the air in droplets or aerosols.

19 Sep 2022

Collective stressors may set young adults on a less fortunate path

2020 was a uniquely stressful year - with the onset of the COVID-19 pandemic, the murder of George Floyd, and a contentious presidential election in the United States.

19 Sep 2022

Comparative hospitalization and mortality risk in the US population during the Omicron and Delta periods

Researchers compared in-hospital mortality across COVID-19 pandemic periods.

19 Sep 2022

The relationship between antigen concentration and diagnostic test performance for SARS-CoV-2 on different types of samples

Researchers investigated how antigen concentration and viral load in different specimen types affected the performance of SARS-CoV-2 rapid diagnostic tests (RDTs).

19 Sep 2022

Smartphones can detect blood oxygen saturation levels down to 70%, study shows

First, pause and take a deep breath. When we breathe in, our lungs fill with oxygen, which is distributed to our red blood cells for transportation throughout our bodies. Our bodies need a lot of oxygen to function, and healthy people have at least 95% oxygen saturation all the time.

19 Sep 2022

Better infectious disease surveillance system needed in Canada to detect respiratory pathogens

Canada needs a better infectious disease surveillance system to detect emerging respiratory pathogens that includes waste-water testing, population-based testing and genomics, according to an analysis published in CMAJ (Canadian Medical Association Journal) https://www.cmaj.ca/lookup/doi/10.1503/cmaj.220577.

19 Sep 2022

Native Hawaiians/Pacific Islanders deeply affected by the COVID-19 pandemic, studies report

Native Hawaiians/Pacific Islanders, or NH/PIs, comprising more than 20 ethnic groups hailing from Polynesia, Micronesia, and Melanesia, are understudied despite being the third fastest growing racial group in the United States. Two studies now report that NH/PIs have been deeply affected by the COVID-19 pandemic.

19 Sep 2022

Many refugees dealing with trauma face obstacles to mental health care

As a young boy living in what was then Zaire, Bertine Bahige remembers watching refugees flee from the Rwandan genocide in 1994 by crossing a river that forms the two Central African nations' border.

19 Sep 2022

The potential for measles and rubella elimination globally

Researchers modeled the probability of eradication of measles and rubella by 2100.

19 Sep 2022

Is there any impact of COVID-19 vaccines on the fertility of men and women of reproductive age?

Researchers assessed the impact of SARS-CoV-2 vaccines on human fertility.

19 Sep 2022

Vaccines used to prevent monkeypox

A new review published in The Lancet Infectious Diseases aimed to describe the efficacy of vaccinia virus-based smallpox vaccines against the current monkeypox outbreak.

18 Sep 2022

Needle-free jet injection of novel COVID-19 DNA vaccine shows promise in animal model

In a recent study posted to the bioRxiv* server, researchers at the United States Army Medical Research Institute of Infectious Diseases evaluated the immunogenicity of a severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) deoxyribonucleic acid (DNA) vaccine, nCOV-S(JET), in rhesus macaques

18 Sep 2022

Research examines the roles of cytokines during SARS-CoV-2 infection in rhesus macaques

In a recent study posted to the bioRxiv* preprint server, researchers in the United States assessed the role of two cytokines, interferon-gamma (IFN-γ) and interleukin-10 (IL-10), in regulating immune cell responses and inflammation early during severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection in rhesus macaques.

18 Sep 2022

An improved COVID-19 vaccine shows promise against Omicron in experimental models

In a recent study published in the journal Science Translational Medicine, researchers in the United States designed a bivalent coronavirus disease 2019 (COVID-19) vaccine on the messenger ribonucleic acid (mRNA) platform.

18 Sep 2022

COVID-19 increases risk of developing Alzheimer's by 50-80% in older adults

In a recent study published in the Journal of Alzheimer’s Disease, researchers investigated whether severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections could trigger the development of new-onset Alzheimer’s disease (AD)

18 Sep 2022

covid 19 News and Research

In Denmark, Omicron reinfections reveal ineffective post-COVID-19 immunity

Molecular engineered low-cost highly effective RBD-based COVID vaccine

Study estimates 18 million Americans have long-COVID

COVID-19 during pregnancy damages the placenta's immune response to further infections

O-linked sialoglycans affect SARS-CoV-2 spike cleavage

Highly sensitive mask can detect respiratory viruses in the air within 10 minutes

Collective stressors may set young adults on a less fortunate path

Comparative hospitalization and mortality risk in the US population during the Omicron and Delta periods

The relationship between antigen concentration and diagnostic test performance for SARS-CoV-2 on different types of samples

Smartphones can detect blood oxygen saturation levels down to 70%, study shows

Better infectious disease surveillance system needed in Canada to detect respiratory pathogens

Native Hawaiians/Pacific Islanders deeply affected by the COVID-19 pandemic, studies report

Many refugees dealing with trauma face obstacles to mental health care

The potential for measles and rubella elimination globally

Is there any impact of COVID-19 vaccines on the fertility of men and women of reproductive age?

Vaccines used to prevent monkeypox

Needle-free jet injection of novel COVID-19 DNA vaccine shows promise in animal model

Research examines the roles of cytokines during SARS-CoV-2 infection in rhesus macaques

An improved COVID-19 vaccine shows promise against Omicron in experimental models

COVID-19 increases risk of developing Alzheimer's by 50-80% in older adults

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