COVID-19 Research: المرسلات الحديثة
السجلات المعروضة 361 -- 380 من 798
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Systemic risk spillover across global and country stock markets during the COVID-19 pandemic
( Elsevier , 2021 , Article)Uncovering the tail risk spillover among global financial markets helps provide a more comprehensive understanding of the information transmission in extreme market conditions such as the COVID-19 outbreak. In this paper, ... -
Impact of global health crisis and oil price shocks on stock markets in the GCC
( Elsevier , 2022 , Article)This study examines the impact of global COVID-19 cases and oil price shocks on the stock markets in the GCC. Using the Kalman filter to generate the unexpected oil price shocks, we find that, with the exception of Oman, ... -
Covid-19 inspired a stem-based virtual learning model for middle schools—a case study of Qatar
( MDPI , 2021 , Article)An unprecedented turn in educational pedagogies due to the COVID-19 pandemic has significantly affected the students’ learning process worldwide. This article describes developing a STEM-based online course during the ... -
Toward Resilient Online Assessments: Lessons Learned from the COVID-19 Era
( Springer International Publishing , 2022 , Book chapter)This chapter aims to explore the reality of using online assessment systems during COVID-19 and critically reviews the existing models based on testing standards and the authors’ experience. These can help educators and ... -
High–temporal resolution profiling reveals distinct immune trajectories following the first and second doses of COVID-19 mRNA vaccines
( American Association for the Advancement of Science , 2022 , Article)Knowledge of the mechanisms underpinning the development of protective immunity conferred by mRNA vaccines is fragmentary. Here, we investigated responses to coronavirus disease 2019 (COVID-19) mRNA vaccination via ... -
Effect of near-infrared and blue laser light on vero E6 cells SARS-CoV-2 infection model
( Wiley , 2022 , Other)Photobiomodulation therapy (PBMT) employing laser light has been emerging as a safe strategy to challenge viruses. In this study the effect of blue and near-infrared (NIR) laser light was assessed in an in vitro model of ... -
Sex disparities in food consumption patterns, dietary diversity and determinants of self-reported body weight changes before and amid the COVID-19 pandemic in 10 Arab countries
( Frontiers Media S.A. , 2022 , Article)Background: The COVID-19 pandemic along with its confinement period boosted lifestyle modifications and impacted women and men differently which exacerbated existing gender inequalities. The main objective of this paper ... -
The Impact of COVID-19 on Physical (In)Activity Behavior in 10 Arab Countries
( MDPI , 2022 , Article)Insufficient physical activity is considered a strong risk factor associated with non-communicable diseases. This study aimed to assess the impact of COVID-19 on physical (in)activity behavior in 10 Arab countries before ... -
Clinical outcomes of Pfizer-BioNTech COVID-19 vaccine in children and adolescents: A systematic review
( John Wiley and Sons Inc , 2022 , Article Review)Background & Aims: The BioNTech-Pfizer vaccine is the only vaccine offered to children among all available vaccines. However, limited evidence is available about the clinical outcomes of COVID-19 vaccines, especially among ... -
An Evaluation of the COVID-19 Pandemic and Perceived Social Distancing Policies in Relation to Planning, Selecting, and Preparing Healthy Meals: An Observational Study in 38 Countries Worldwide
( Frontiers Media S.A. , 2021 , Article)Objectives: To examine changes in planning, selecting, and preparing healthy foods in relation to personal factors (time, money, stress) and social distancing policies during the COVID-19 crisis. Methods: Using cross-sectional ... -
Understanding digital bubbles amidst the COVID-19 pandemic: Evidence from DeFi and NFTs
( Elsevier , 2022 , Article)This paper investigates digital financial bubbles amidst the COVID-19 pandemic. Using a sample of 9 DeFi tokens, 3 NFTs, Bitcoin, and Ethereum, we detect several bubbles overlapping the examined cryptoassets. We also uncover ... -
COVID-19, cryptocurrencies bubbles and digital market efficiency: sensitivity and similarity analysis
( Elsevier , 2022 , Article)This paper compares the degree of cryptocurrency market efficiency during the pre- and post COVID-19 pandemic with the bubble and non-bubble periods of cryptocurrency markets. Furthermore, it examines and clusters eighteen ... -
Autonomous Drones: A Game Changer in Lightweight Delivery Services
( UC Berkeley Haas School of Business , 2022 , Other)Imagine, you placed an order online and received it in minutes. This is the future of drone delivery services. Customers can track the drone during its delivery trip via apps like Uber car. Some cities and even rural areas ... -
Editorial: Between antiquity and modernity in sustainability management research: reflections from MSAR board members
( Emerald Publishing Limited , 2022 , Article)Despite the seemingly diverse Arab countries, there are elements of commonality and homogeneity in culture and tradition and, hence, using deductive reasoning, we can objectively claim that there is what we can call an ... -
Designing evaluation framework for the empirical assessment of COVID-19 mobile apps in Pakistan
( Elsevier , 2022 , Article)The significant proliferation in the mobile health applications (Apps) amidst Coronaviruses disease 2019 (COVID-19) resulted in decision making problems for healthcare professionals, decision makers and mobile users in ... -
Paraviral cutaneous manifestations associated to SARS-CoV-2 Omicron variant
( Taylor and Francis Group , 2022 , Article)Background: The spreading of the SARS-CoV-2 Omicron variant is probably due to its increased transmissibility and ability to escape from neutralising antibodies. Cutaneous manifestations have been reported after infection ... -
Enhancing the quality and competitiveness of small businesses: A pooled cross-sectional analysis
( Elsevier B.V. , 2022 , Article)Compared with large organizations, small businesses have been slower to adopt quality management practices. This study combined the context-free perspective with the contingency theory of quality management to investigate ... -
A Novel Deep Learning and Ensemble Learning Mechanism for Delta-Type COVID-19 Detection
( Frontiers , 2022 , Article)Recently, the novel coronavirus disease 2019 (COVID-19) has posed many challenges to the research community by presenting grievous severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that results in a huge number ... -
Immune Imprinting and Protection against Repeat Reinfection with SARS-CoV-2
( Massachusetts Medical Society , 2022 , Other)More than 2 years into the coronavirus disease 2019 (Covid-19) pandemic, the global population carries heterogeneous immune histories derived from various exposures to infection, viral variants, and vaccination.1 Evidence ... -
Validation of a Novel Fluorescent Lateral Flow Assay for Rapid Qualitative and Quantitative Assessment of Total Anti-SARS-CoV-2 S-RBD Binding Antibody Units (BAU) from Plasma or Fingerstick Whole-Blood of COVID-19 Vaccinees
( MDPI , 2022 , Article)Background: Limited commercial LFA assays are available to provide a reliable quantitative measurement of the total binding antibody units (BAU/mL) against the receptor-binding domain of the SARS-CoV-2 spike protein (S-RBD). ...
