Novel Coronavirus Outbreak Sep 10 - Sep 17 2021

Most recent articles (newest articles listed first)

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Lessons from COVID‐19

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From immunology to manufacturing to social science: COVID-19 has been a boon for research and development in many research areas.

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Racing for a SARS‐CoV‐2 vaccine

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Interview with EMBO Members Özlem Türeci and Uğur Şahin, BioNTech, conducted by science journalist Kai Kupferschmidt.

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Alcohol use disorder in the COVID‐19 era: Position paper of the Italian Society on Alcohol (SIA)

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All health care systems need to be reorganized during and after the COVID-19 pandemic, and also the CAATs in order to combine operator safety with patient safety and care. The multi-disciplinary intervention involving experts in the treatment of AUD and ALD with specialists in the treatment of COVID-19 disease will need implementation and the contribution of the family and of care-givers in the management of AUD and ALD patients will play a significant role.

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Graphene‐Based Technologies for Tackling COVID‐19 and Future Pandemics

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The COVID-19 pandemic highlighted the need for rapid tools and technologies to combat highly infectious viruses. The excellent electrical, mechanical, and other functional properties of graphene and graphene-like 2D materials (2DM) can be utilized to develop novel and innovative devices to tackle COVID-19 and future pandemics. Here, the authors outline how graphene and other 2DM-based technologies can be used for the detection, protection, and continuous monitoring of infectious diseases including COVID-19.

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The Role of Spike Protein Mutations in the Infectious Power of SARS‐COV‐2 Variants: A Molecular Interaction Perspective

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New SARS-COV-2 variants improve their ability to recognize available sites to either hydrogen bond or to form salt bridges with residues in the ACE2 receptor of the host cells.

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A single dose of the Biontech/Pfizer BNT162b2 vaccine protected elderly residents from severe COVID‐19 during a SARS‐coronavirus‐2 outbreak in a senior citizen home in Germany

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Background: A total of 62/66 residents in a senior citizen home in Bremen, Germany, received the first dose of the Biontech/Pfizer vaccine BNT162b2 on December 27th 2020. After routine SARS-CoV-2 antigen tests showed positive results on January 5th, all residents and staff were tested by RT-PCR.

Results: Nine staff members and 23 residents had a positive result. PCR positive staff members reported mild to severe COVID-19 symptoms, one was hospitalized. None of them had been vaccinated. In contrast, the vaccinated residents reported no or only mild symptoms. Sequencing of the SARS-CoV-2 genomes of infected individuals revealed a monophyletic origin of the outbreak within the PANGO lineage B.1.177.86.

Conclusions: In summary, our data show that partial vaccination prevented severe COVID-19 among the residents during this local SARS-CoV-2 outbreak, suggesting a high effectiveness of even a single vaccine dose, but also emphasize that asymptomatic individuals might still be carriers/spreaders.

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Application of omics technology to combat the COVID‐19 pandemic

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In the global COVID-19 pandemic, multiomics-based strategies have been applied into the surveillance of newly emerged SARS-CoV-2 variants and the study of diagnostic methods, risk factors, and pathological features of COVID-19, which will contribute to the prevention and control of this pandemic.

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Pancreatic β‐cell fate in subjects with COVID‐19

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Two recent reports denoted the potential of SARS-CoV-2 to directly infect β-cells and the possible fate of β-cells under COVID-19. The fight against SARS-CoV-2 will continue to develop more effective therapeutic strategies for diabetes.

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Removal of SARS‐CoV‐2 viral markers through a water reclamation facility

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The graphical abstract demonstrates the collection locations of the samples across the treatment train, followed by the step by step pretreatment and virus concentration methods required based on sample type.

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Analysis of fat, fatty acid profile, and salt content of Iranian restaurant foods during the COVID‐19 pandemic: Strengths, weaknesses, opportunities, and threats analysis

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This study aimed to analyze the fat, fatty acid profile, and salt content of restaurant foods (RFs) and find out strategies to lower them using the strengths, weaknesses, opportunities, and threats (SWOT).

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Evaluation of a new point‐of‐care quantitative reverse transcription polymerase chain test for detecting severe acute respiratory syndrome coronavirus 2

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We assessed a new point-of-care test that uses the quantitative reverse transcription polymerase chain reaction (qRT-PCR). This test reduces the extra RNA purification step, allowing much faster results. We compared the results of this test to those of the traditional qRT-PCR test.

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Development and preclinical evaluation of virus‐like particle vaccine against COVID‐19 infection

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SARS-CoV-2 VLP vaccine that incorporates the four structural proteins of SARS-CoV-2 is reproducibly produced in suspension adapted HEK293 cells. Alum adsorbed, K3-CpG ODN-adjuvanted VLPs elicit high titer anti-S, anti-RBD, anti-N IgG, and neutralizing antibodies in mice, rats, and ferrets. The VLP vaccine supports multifunctional Th1-biased T-cell responses and demonstrate immunoprotective activity against live SARS-CoV-2 challenge in vaccinated mice. Abbreviations: Alum, aluminum hydroxide; CpG, cytosine-phosphate-guanosine dinucleotide; HEK293, human embryonic kidney cell line; ODN, oligodeoxynucleotide; RBD, receptor binding domain; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2; Th, T-helper cell; VLP, virus-like particle.

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SARS‐CoV‐2 structural coverage map reveals viral protein assembly, mimicry, and hijacking mechanisms

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2,060 structural models spanning 69% of the SARS-CoV-2 proteome are generated and presented in a novel visual layout that summarises current knowledge on viral protein structures, and provides insight into viral replication, mimicry, and hijacking.

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A Rapid Detection of COVID‐19 Viral RNA in Human Saliva Using Electrical Double Layer‐Gated Field‐Effect Transistor‐Based Biosensors

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The electrical double layer-gated field-effect transistor-based biosensors are utilized to detect the severe acute respiratory syndrome coronavirus 2 N-gene cDNAs and viral RNAs in diluted human saliva, achieving detection limit of ≈1 fm. This proposed system has a high potential to be deployed for on-site coronavirus disease 2019 screening, improving disease control and benefitting frontline healthcare system.

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Ominous combination: COVID-19 disease and Candida auris fungemia—Case report and review of the literature

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The identification of Candida auris fungemia in critically ill COVID-19 patients is detrimental, with huge implications on patient mortality and infectious control measures.

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Recovery of cardiac function following COVID-19 – ECHOVID-19: a prospective longitudinal cohort study

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Recovered COVID-19 cases who participated in both rounds of the study. (Left) Diagram displaying mean N-terminal pro-B-type natriuretic peptide (NT-proBNP) and prevalence of elevated troponins during hospitalization and 2–3 months after. (Right) Diagram displaying mean values of tricuspid annular plane systolic excursion (TAPSE), right ventricular longitudinal strain (RVLS), global longitudinal strain (GLS), and left ventricular ejection fraction (LVEF) assessed during hospitalization and median 77 days (interquartile range: 72–92) after. Additionally, reference values based on matched controls are illustrated as well. Dotted lines indicate 95% confidence intervals.