COVID-19 Research: المرسلات الحديثة
السجلات المعروضة 161 -- 180 من 822
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A new approach to predicting cryptocurrency returns based on the gold prices with support vector machines during the COVID-19 pandemic using sensor-related data
( MDPI , 2021 , Article)In a real-world situation produced under COVID-19 scenarios, predicting cryptocurrency returns accurately can be challenging. Such a prediction may be helpful to the daily economic and financial market. Unlike forecasting ... -
Structural equation modeling of public transport use with COVID-19 precautions: An extension of the norm activation model
( Elsevier , 2021 , Article)This study aims to identify the travelers' attitudes and preferences towards the use of public transport during COVID-19 through the Norm-Activation Model (NAM). A questionnaire survey was designed to assess the traveler's ... -
Spatiotemporal analysis of water-electricity consumption in the context of the COVID-19 pandemic across six socioeconomic sectors in Doha City, Qatar
( Elsevier , 2021 , Article)This study investigates the water – electricity consumption in the context of the COVID-19 pandemic across six socioeconomic sectors. Due to inadequate research on spatial modelling of water – electricity consumption in ... -
Effect of coronavirus-19 restrictions in male handball players: Physical activity, sedentary behavior, and satisfaction with life
( MDPI , 2021 , Article)This experiment examined physical activity (PA), sitting time, and satisfaction with life (SL) in European (45%) and Middle Eastern and North African (MENA; 55%) handball players (n = 418; age: 25.6 ± 6.8 years; body mass: ... -
Case studies on COVID-19 and environment
( Elsevier , 2021 , Book chapter)Coronavirus drastically changes people's travel behavior all over the world. This study aims to investigate the effect of people's adaptive travel behavior on greenhouse gas (GHG) emission in south Asian countries. We ... -
SEIRD model for Qatar COVID-19 outbreak: A case study
( Intercollegiate Biomathematics Alliance , 2021 , Article)The COVID-19 outbreak of 2020 has required many governments to develop mathematical-statistical models of the outbreak for policy and planning purposes. This work provides a tutorial on building a compartmental model using ... -
Association of Serum Vitamin D level and COVID-19 infection: A Case-control Study
( HBKU Press , 2022 , Article)Background: Vitamin D is considered a potent modulator of the immune system, albeit its role in COVID-19 infection is a matter of debate. The present study aimed to estimate the association between serum vitamin D levels ... -
Validation of a risk prediction model for COVID-19: the PERIL prospective cohort study.
( Future Medicine , 2023 , Article)This study aims to perform an external validation of a recently developed prognostic model for early prediction of the risk of progression to severe COVID-19. Patients were recruited at their initial diagnosis at two ... -
Does COVID-19 pandemic spur digital business transformation? Evidence from selected MENA countries
( Emerald Publishing Limited , 2023 , Article)Purpose: In the light of high reliance on digital technology to mitigate the consequences of the coronavirus disease 2019 (COVID-19) pandemic and its containment measures, this study investigates the factors influencing ... -
Introduction : GCC Hydrocarbon Economies and COVID
( Springer Nature , 2023 , Book chapter)The negative impact of the coronavirus pandemic on the hydrocarbon producers of the Gulf Cooperation Council (GCC) is raising serious questions about the need to change the focus of Gulf energy security from the necessity ... -
Gulf's Migrant Workers Amidst Covid-19 and Workforce Nationalization: A Focus on Qatar's Social Protection Systems
( Springer Nature , 2023 , Book chapter)In the early 1970s, oil prices skyrocketed and the resource-rich Gulf states pursued infrastructural development. This created a massive labor demand in the construction, infrastructure, and oil sectors. Foreign labor ... -
Gulf Energy Security During the COVID- 19: From the Security of Supply to the Security of Demand
( Springer Nature , 2023 , Book chapter)During 2019-2020, neither the outbreak of coronavirus nor growing domestic issues were able to prevent the US and Iran from continuing their confrontation. While being nothing of a new, these tensions unintentionally ... -
GCC Hydrocarbon Economies and COVID: Old Trends, New Realities
( Springer Nature , 2023 , Book)The book considers the impact of COVID-19 on the GCC member states through the prism of challenges faced by their hydrocarbon sector. Yet, the publication's discourse is not solely focused on the problems experienced by ... -
Dealing with the Challenges: GCC Institutional Responses to the Covid-19 and Arab Spring
( Springer Nature , 2023 , Book chapter)Like it happened after the Arab Uprisings in 2011, a development originated outside the GCC region-the outbreak of the Covid-19 pandemic-directly affected all its members and required a quick reaction from the authorities. ... -
Challenges Facing the Gulf Petroleum Industry: Covid-19, New Technologies, Energy Transition
( Springer Nature , 2023 , Book chapter)The outbreak of the Covid-19 epidemic and the resulting economic downturn have undermined the already weakened position of the global oil and gas industry. Since the transportation sector depends on 60 percent of energy ... -
Airway and Oral microbiome profiling of SARS-CoV-2 infected asthma and non-asthma cases revealing alterations-A pulmonary microbial investigation
( NLM (Medline) , 2023 , Article)New evidence strongly discloses the pathogenesis of host-associated microbiomes in respiratory diseases. The microbiome dysbiosis modulates the lung's behavior and deteriorates the respiratory system's effective functioning. ... -
Antibiotics Prescriptions Pattern among Patients Visiting Primary Health Care Centers (PHCC) before and during COVID-19 Pandemic: A Cross-Sectional Population-Based Study from Qatar
( MDPI , 2023 , Article)Background: The COVID-19 pandemic, caused by the novel coronavirus 2 (SARS-CoV-2), has been associated with an increased risk of secondary bacterial infections. Numerous studies have reported a surge in antibiotic usage ... -
Prevalence and factors associated with general anxiety symptoms severity among older adults registered with the Primary Healthcare Corporation during the COVID-19 pandemic: A cross-sectional study
( HBKU Press , 2023 , Article)Background: Primary care-based studies examining the prevalence of anxiety symptoms severity and associated factors among older adults during the COVID-19 pandemic are scarce. The study aims to determine the prevalence of ... -
Correction to: A qualitative assessment of medical students' readiness for virtual clerkships at a Qatari university during the COVID-19 pandemic (BMC Medical Education, (2023), 23, 1, (186), 10.1186/s12909-023-04117-3)
( BioMed Central Ltd , 2023 , Other)Correction: BMC Medical Education (2023) 23:186 Following publication of the original article [1], due to a typesetting error, references [19] and [20] were written incorrectly. The correct references are given below: [19] ... -
The impact of periodontal disease on the clinical outcomes of COVID-19: A systematic review and meta-analysis
( BioMed Central Ltd , 2023 , Article)Background: A possible relationship between periodontitis (PD) and COVID-19 and its adverse outcomes has been suggested. Hence, the present systematic review and meta-analysis aimed to investigate the available evidence ...