COVID-19 Research: Recent submissions
Now showing items 241-260 of 848
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Population immunity of natural infection, primary-series vaccination, and booster vaccination in Qatar during the COVID-19 pandemic: an observational study
( Elsevier , 2023 , Article)BackgroundWaning of natural infection protection and vaccine protection highlight the need to evaluate changes in population immunity over time. Population immunity of previous SARS-CoV-2 infection or of COVID-19 vaccination ... -
Bivalent mRNA-1273.214 vaccine effectiveness against SARS-CoV-2 omicron XBB* infections
(2023 , Article)In October of 2022, Qatar introduced COVID-19 bivalent vaccination for persons ≥ 12 years using the 50-μg mRNA-1273.214 vaccine combining SARS-CoV-2 ancestral and omicron BA.1 strains.1 We estimated this vaccine’s effectiveness ... -
Modeling and forecasting electricity consumption amid the COVID-19 pandemic: Machine learning vs. nonlinear econometric time series models
( Elsevier , 2023 , Article)Accurately modeling and forecasting electricity consumption remains a challenging task due to the large number of the statistical properties that characterize this time series such as seasonality, trend, sudden changes, ... -
Follow up and comparative assessment of IgG, IgA, and neutralizing antibody responses to SARS-CoV-2 between mRNA-vaccinated naïve and unvaccinated naturally infected individuals over 10 months
( Elsevier , 2023 , Article)BackgroundEvidence on the effectiveness of vaccination-induced immunity compared to SARS-CoV-2 natural immunity is warranted to inform vaccination recommendations. AimIn this study, we aimed to conduct a comparative ... -
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 ... -
Therapeutic potential of resveratrol in covid-19-associated hemostatic disorders
( MDPI , 2021 , Article)Coagulation disorders, endotheliopathy and inflammation are the most common hallmarks in SARS-CoV-2 infection, largely determining COVID-19's outcome and severity. Dysfunctions of endothelial cells and platelets are tightly ... -
Ace2 is an adjacent element of atherosclerosis and covid-19 pathogenesis
( MDPI , 2021 , Article Review)COVID-19 is a highly contagious new infection caused by the single-stranded RNA SarsCoV-2 virus. For the first time, this infection was recorded in December 2019 in the Chinese province of Wuhan. The virus presumably crossed ... -
The impact of COVID-19 pandemic on electricity consumption and electricity demand forecasting accuracy: Empirical evidence from the state of Qatar
( Elsevier Ltd , 2022 , Article)The goal of this study is to use machine-learning (ML) techniques and empirical big data to examine the influence of the COVID-19 pandemic on electricity usage and electricity demand forecasting accuracy in buildings in ... -
Impact of the COVID-19 lockdown on lifestyle behaviors and their association with personality among adults in Qatar: A cross-sectional study
( Public Library of Science , 2022 , Article)The coronavirus pandemic (COVID-19) resulted in lockdowns and social distancing measures enforced by governments around the world. This study aimed to identify changes in adherence to the Mediterranean diet (MD) and physical ... -
Knowledge, attitude and practices related to COVID-19 among young Lebanese population
( BioMed Central Ltd , 2021 , Article)Background: As the world faces the most serious and widespread pandemic in recent history, claiming nearly 1,945,610 lives and infecting over 90 million individuals up to January 13, 2021, controlling the spread of COVID-19 ... -
Darunavir-cobicistat versus lopinavir-ritonavir in the treatment of COVID-19 infection (DOLCI): A multicenter observational study
( Public Library of Science , 2022 , Article)Background Coronavirus Disease 2019 (COVID-19) is an evolving pandemic that urged the need to investigate various antiviral therapies. This study was conducted to compare efficacy and safety outcomes of darunavir-cobicistat ... -
The impact of COVID-19 on the delivery of interprofessional education: it's not all bad news
( MA Healthcare Ltd , 2021 , Article)During the COVID-19 outbreak, most face-to-face teaching and practice-based learning placements were suspended. Universities provided ongoing health and social care education, including interprofessional education, using ... -
A cross-sectional study on the impact of the COVID-19 pandemic on psychological outcomes: Multiple indicators and multiple causes modeling
( Public Library of Science , 2022 , Article)Although the psychological impact of coronavirus disease 2019 (COVID-19) has been evaluated in the literature, further research is needed, particularly on post-traumatic stress disorder (PTSD) and psychological outcomes, ... -
Acceptance and attitudes toward COVID-19 vaccines: A cross-sectional study from Jordan
( Public Library of Science , 2021 , Article)Vaccines are effective interventions that can reduce the high burden of diseases globally. However, public vaccine hesitancy is a pressing problem for public health authorities. With the availability of COVID-19 vaccines, ... -
Molecular Insights Into SARS COV-2 Interaction With Cardiovascular Disease: Role of RAAS and MAPK Signaling
( Frontiers Media S.A. , 2020 , Article)In December 2019, reports of viral pneumonia came out of Wuhan city in Hubei province in China. In early 2020, the causative agent was identified as a novel coronavirus (CoV) sharing some sequence similarity with SARS-CoV ... -
Application of nucleic acid amplification tests in managing COVID-19 pandemic
( Danylo Halytskyi Lviv National Medical University , 2020 , Article)Background. COVID-19 pandemic highlighted the importance of sensitive and specific tests that would be cost-efficient, fast and scalable. There are more than 200 COVID-19 detection tests available worldwide, with every ... -
A protocol for the detection of genetic markers in saliva by polymerase chain reaction without a nucleic acid purifi cation step: Examples of SARS-CoV-2 and GAPDH markers
( Danylo Halytskyi Lviv National Medical University , 2021 , Article)Introduction. Polymerase chain reaction (PCR)-based diagnostic tests use purifi ed nucleic acids (NAs) from clinical samples. The NAs purifi cation step adds time, cost, and aff ects the quality of testing. The objective ... -
Common indications for Referral to the Healthcare system for COVID-19 recovered patients versus Qatar Biobank study population: A descriptive analysis
( Mattioli1885 , 2022 , Article)Background and Aim of the Work: Qatar Biobank (QBB) is actively acquiring data on the range of short-and long-term health impacts associated with COVID-19. This is performed through the COVID-19 biorepository National ... -
mRNA-based COVID-19 Vaccines Booster Dose: BenefitRisks, and Coverage
( Mattioli1885 , 2022 , Article)The number of COVID-19 vaccine-rich countries that have started COVID-19 third-dose booster programs is growing dramatically despite the lack of robust evidence on the effectiveness, safety, and frequency of the required ... -
أخلاقيات التعاطي الإعلامي لجائحة كورونا في زمن الحرب: دراسة على عينة من القنوات التليفزيونية اليمنية
( الرابطة العربية للبحث العلمي وعلوم الاتصال , 2023 , Article)سعت هذه الدراسة إلى تقصي الأبعاد الأخلاقية لأساليب تعاطي القنوات التليفزيونية اليمنية لجائحة كورونا (كوفيد-19). واستندت الدراسة على نظرية المسؤولية الاجتماعية لوسائل الإعلام، كما استخدمت منهج تحليل المضمون. وقد طبقت الدراسة ...
