Browsing COVID-19 Research by Title
Now showing items 269-288 of 798
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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 ... -
Effects of covid-19 lockdown on physical activity, sedentary behavior, and satisfaction with life in Qatar: A preliminary study
( MDPI , 2021 , Article)This study examined the effects of home confinement on physical activity (PA) and life satisfaction during the COVID-19 outbreak in Qatar. A total of 1144 subjects participated (male: n = 588; female: n = 556; age: 33.1 ± ... -
Effects of COVID-19 pandemic on household food waste behaviour in Iran
( Elsevier , 2022 , Article)This research aims to determine the influence of COVID-19 on consumer knowledge, attitudes, and behaviours related to food waste in Iran. From April 24 to May 24, 2020, an online survey was conducted in Iran with a standard ... -
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) ... -
Effects of SARS-CoV-2 Alpha, Beta, and Delta variants, age, vaccination, and prior infection on infectiousness of SARS-CoV-2 infections
( Frontiers Media , 2022 , Article)In 2021, Qatar experienced considerable incidence of SARS-CoV-2 infection that was dominated sequentially by the Alpha, Beta, and Delta variants. Using the cycle threshold (Ct) value of an RT-qPCR-positive test to proxy ... -
Efficacy and Clinical Outcomes of mRNA COVID-19 Vaccine in Pregnancy: A Systematic Review and Meta-Analysis
( S. Karger AG , 2024 , Article)BACKGROUND: The world has witnessed one of the largest pandemics, dubbed severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). As of December 2020, the USA alone reported 98,948 cases of coronavirus disease 2019 ... -
Efficacy and safety of tocilizumab in COVID-19 patients: a living systematic review and meta-analysis
( Elsevier , 2021 , Article)ObjectivesCytokine release syndrome with elevated interleukin-6 (IL-6) levels is associated with multiorgan damage and death in severe coronavirus disease 2019 (COVID-19). Our objective was to perform a living systematic ... -
Efficacy and safety of tocilizumab in COVID-19 patients: a living systematic review and meta-analysis, first update
( Elsevier , 2021 , Article)ObjectivesCytokine release syndrome with elevated interleukin-6 (IL-6) levels is associated with multiorgan damage and death in severe coronavirus disease 2019 (COVID-19). Our objective was to update the data in a living ... -
Efficacy of chloroquine and hydroxychloroquine in treating COVID-19 infection: A meta-review of systematic reviews and an updated meta-analysis
( Elsevier , 2021 , Article)To synthesize findings from systematic reviews and meta-analyses on the efficacy and safety of chloroquine (CQ) and hydroxychloroquine (HCQ) with or without Azithromycin for treating COVID-19, and to update the evidence ... -
The efficacy of colchicine in the management of coronavirus disease 2019: A protocol for systematic review and meta-analysis
( Lippincott, Williams & Wilkins , 2020 , Article)BACKGROUND: Severe acute respiratory syndrome coronavirus 2 (SARS-COV2) infection is a recently emerged viral infection causing predominantly mild upper respiratory symptoms. However, in some instances, it might result in ... -
Electronic Ventilator for COVID19 Patient Treatment
( Qatar University Press , 2020 , Poster)In response to expected shortages of ventilators caused by COVID19 pandemic, globally many organizations and institutes have developed low cost and high rate production ventilators. Many of these ventilators are mechanical ... -
Elucidating the binding mechanism of SARS-CoV-2 NSP6-TBK1 and structure-based designing of phytocompounds inhibitors for instigating the host immune response
( Frontiers Media SA , 2023 , Article)SARS-CoV-2, also referred to as severe acute respiratory syndrome coronavirus 2, is the virus responsible for causing COVID-19, an infectious disease that emerged in Wuhan, China, in December 2019. Among its crucial ... -
An Emergency Switch to Distance Learning in Response to the COVID-19 Pandemic: Experience from an Internationally Accredited Undergraduate Pharmacy Program at Qatar University
( Springer , 2020 , Article)© 2020, The Author(s). The world is experiencing an unprecedented public health emergency owing to the COVID-19 pandemic. To control virus spread, many countries temporarily suspended classes. In this context, the availability ... -
Emergent materials and industry 4.0 contribution toward pandemic diseases such as COVID-19
( Springer Nature , 2020 , Article)[No abstract available] -
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 ... -
Emotional Distress and Associated Factors among the General Population during the COVID-19 Pandemic in China: A Nationwide Cross-Sectional Survey
( Multidisciplinary Digital Publishing Institute (MDPI) , 2022 , Article)Objective: This study investigated emotional distress and associated factors among the general population in the aftermath of the COVID-19 lockdown in China. Design and sample: An online nationwide survey was conducted ... -
An Encoder–Decoder-Based Method for Segmentation of COVID-19 Lung Infection in CT Images
( Springer Nature , 2021 , Article)The novelty of the COVID-19 Disease and the speed of spread, created colossal chaotic, impulse all the worldwide researchers to exploit all resources and capabilities to understand and analyze characteristics of the ... -
Engineering students' readiness to transition to emergency online learning in response to COVID-19: Case of Qatar
( Modestum LTD , 2020 , Article)This study examined engineering students' initial readiness to transition to emergency online learning in response to COVID-19 in Qatar. A theoretical framework is proposed for understanding the factors influencing students' ... -
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 ... -
Enhancing the sensitivity of rapid antigen detection test (RADT) of different SARS-CoV-2 variants and lineages using fluorescence-labeled antibodies and a fluorescent meter
( Elsevier , 2023 , Article)RT-qPCR is considered the gold standard for diagnosis of COVID-19; however, it is laborious, time-consuming, and expensive. RADTs have evolved recently as relatively inexpensive methods to address these shortcomings, but ...