COVID-19 Research: Recent submissions
Now showing items 481-500 of 822
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Consumer Protection and the Covid-19 Challenges: Paving the Way for Effective Legal Enforcement: A Case Study in the Qatari Legal System
( Allied Business Academies , 2021 , Article)This research paper examines the legal protection of consumer rights at the time of the Corona pandemic (COVID-19) in the State of Qatar as a model to demonstrate the effectiveness of government efforts taken since the ... -
Knowledge, Attitude, Practices, and Sources of Information (KAPS) toward COVID-19 during the second wave pandemic among university population in Qatar: A cross-sectional study
( Frontiers Media , 2022 , Article)Background: The World Health Organization (WHO) declared COVID-19 as a pandemic on 11 March 2020. Many efforts were performed to contain the virus worldwide. People's knowledge and attitude should be directed toward strict ... -
Effects of Previous Infection and Vaccination on Symptomatic Omicron Infections.
( Massachusetts Medical Society , 2022 , Article)The protection conferred by natural immunity, vaccination, and both against symptomatic severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection with the BA.1 or BA.2 sublineages of the omicron (B.1.1.529) ... -
SARS-CoV-2 does not replicate in HaCaT spontaneously immortalized human keratinocytes: implications for the pathogenesis of COVID-19-associated skin manifestations
( John Libbey Eurotext , 2022 , Article)Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2)-related cutaneous manifestations have been reported [1], however, the direct or indirect role of SARS-CoV-2 infection in their pathophysiology is still debated ... -
NON-DETERMINISTIC MODELING USING QUANTILE REGRESSION
(06-2 , Master Thesis)In this thesis, we utilize quantile regression to model the conditional quantile of the dependent variable given independent variables to capture more details about the conditional distribution. In addition, we apply the ... -
AN EMPIRICAL INVESTIGATION OF THE IMPACT OF DIGITAL TEACHING AND LEARNING ON UNIVERSITY STUDENTS' SATISFACTION LEVELDURING COVID-19 PANDEMIC IN QATAR
(06-2 , Master Thesis)Life is changing rapidly for many reasons, which affects people's mindsets as well as their behaviour. Today, most people rely on technology on a daily basis. Furthermore, the global COVID-19 pandemic has pushed the world ... -
INVESTIGATION OF THE HUMORAL IMMUNE RESPONSES IN SARS-COV-2 INFECTED AND VACCINATED INDIVIDUALS
(06-2 , Master Thesis)Background: Protective and lasting immunity to viral infections or vaccines are usually achieved through the combined actions of both cellular and humoral immune responses. Although there exists clear evidence supporting ... -
MANAGEMENT ACCOUNTING PRACTICES IN THE COVID ERA: EVIDENCE FROM HEALTHCARE SERVICES IN QATAR
(06-2 , Master Thesis)This study explores the role of management accounting practices (MAPs) and critical success factors (CSFs) in confronting COVID-19 crisis in the healthcare services in Qatar during the period of March 2020 - May 2021. The ... -
Protection against the omicron variant from previous SARS-CoV-2 infection
( Massachusetts Medical Society , 2022 , Other)Natural infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) elicits strong protection against reinfection with the B.1.1.7 (alpha),1,2 B.1.351 (beta),1 and B.1.617.2 (delta)3 variants. However, the ... -
Will Host Genetics Affect the Response to SARS-CoV-2 Vaccines? Historical Precedents
( Frontiers Media , 2022 , Article Review)Recent progress in genomics and bioinformatics technologies have allowed for the emergence of immunogenomics field. This intersection of immunology and genetics has broadened our understanding of how the immune system ... -
Emerging COVID-19 variants and their impact on SARS-CoV-2 diagnosis, therapeutics and vaccines
( Taylor and Francis , 2022 , Article)The emergence of novel and evolving variants of SARS-CoV-2 has fostered the need for change in the form of newer and more adaptive diagnostic methods for the detection of SARS-CoV-2 infections. On the other hand, developing ... -
Duration of mRNA vaccine protection against SARS-CoV-2 Omicron BA.1 and BA.2 subvariants in Qatar.
( Nature Research , 2022 , Article)SARS-CoV-2 Omicron BA.1 and BA.2 subvariants are genetically divergent. We conducted a matched, test-negative, case-control study to estimate duration of protection of the second and third/booster doses of mRNA COVID-19 ... -
Effects of BA.1/BA.2 subvariant, vaccination, and prior infection on infectiousness of SARS-CoV-2 omicron infections.
( Oxford University Press , 2022 , Article)Compared to BA.1, BA.2 was associated with lower RT-qPCR cycle threshold (Ct) value-3.53 fewer cycles (95% CI: 3.46-3.60), signifying higher infectiousness. This may reflect higher viral load and/or longer duration of ... -
Impact of COVID-19 Pandemic News on the Cryptocurrency Market and Gold Returns: A Quantile-on-Quantile Regression Analysis
( MDPI , 2022 , Article)In this paper, we investigate the relationship between the RavenPack news-based index associated with coronavirus outbreak (Panic, Sentiment, Infodemic, and Media Coverage) and returns of two commodities—Bitcoin and gold. ... -
A Comparative Study on Pandemic Response and Their Impact on Economic Growth: Evidence From COVID-19 Outbreak In Scandanavia
( IEOM Society , 2021 , Conference Paper)Coronavirus strikes again with the delta variant and puts the world in a phase 3 pandemic state. Countries all over the world have adopted different response mechanisms to contain the virus's spread. Health officials call ... -
Investigating the role of stakeholder engagement for more resilient vaccine supply chains during COVID-19
( Springer , 2022 , Article)The complexity of the supply chains and the uncertainties in the processes cause business to become more vulnerable in the face of disruptions. Pandemic situations such as COVID-19 cause sudden disruptions in supply chains, ... -
The case for chronotherapy in Covid-19-induced acute respiratory distress syndrome
( John Wiley and Sons Inc , 2020 , Article)Coronavirus disease 2019 (COVID-19), the disease resulting from infection by a novel coronavirus, SARS-Cov2, has rapidly spread since November 2019 leading to a global pandemic. SARS-Cov2 has infected over four million ... -
Resurgence of mucormycosis during COVID-19 pandemic
( Elsevier , 2022 , Article)ObjectiveTo explore the literature on corona-associated mucormycosis and explain its relevance to dentists and oral surgeons. MethodsA literature search was carried out to identify reported cases on corona-associated ... -
Variations in respiratory syncytial virus activity following the relaxation of COVID-19 restrictions in Qatar.
( Oxford University Press , 2022 , Article)Despite the relaxation of COVID-19 restrictions in Qatar in October-December 2020, the detection of RSV was reduced ∼25-fold compared with 2019. This dramatic decrease during the typical RSV season could be related to ... -
Immunomodulatory and Anti-Inflammatory Effects of Berberine in Lung Tissue and its Potential Application in Prophylaxis and Treatment of COVID-19
( IMR Press , 2022 , Article Review)Natural products with known safety profiles are a promising source for the discovery of new drug leads. Berberine presents an example of one such phytochemical that has been extensively studied for its anti-inflammatory ...