Browsing COVID-19 Research by Publisher "MDPI"
Now showing items 1-20 of 71
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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 ... -
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 ... -
Antibiotics Prescribing in Intensive Care Settings during the COVID-19 Era: A Systematic Review
( MDPI , 2021 , Article)The prevalence of patients admitted to intensive care units (ICUs) with SARS-CoV-2 infection who were prescribed antibiotics is undetermined and might contribute to the increased global antibiotic resistance. This ... -
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 ... -
Assessment of the Neutralizing Antibody Response of BNT162b2 and mRNA-1273 SARS-CoV-2 Vaccines in Naïve and Previously Infected Individuals: A Comparative Study
( MDPI , 2022 , Report)The currently authorized mRNA COVID-19 vaccines, Pfizer-BNT162b2 and Moderna-mRNA-1273, offer great promise for reducing the spread of the COVID-19 by generating protective immunity against SARS-CoV-2. Recently, it was ... -
Attitudes and Intentions toward COVID-19 Vaccination among Health Professions Students and Faculty in Qatar
( MDPI , 2021 , Article)A population’s desire to take the COVID-19 vaccine is an important predictor of a country’s future pandemic management. This cross-sectional study examines the impact of psychological and sociodemographic factors on attitudes ... -
Biological Properties of SARS-CoV-2 Variants: Epidemiological Impact and Clinical Consequences
( MDPI , 2022 , Article Review)Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a virus that belongs to the coronavirus family and is the cause of coronavirus disease 2019 (COVID-19). As of May 2022, it had caused more than 500 million ... -
Case Study of Multi-Course Project-Based Learning and Online Assessment in Electrical Engineering Courses during COVID-19 Pandemic
( MDPI , 2022 , Article)Due to the COVID-19 pandemic, there was an urgent need to move to online teaching and develop innovative teaching techniques to ensure that student learning outcomes (SOs) were fulfilled. This paper tries to answer the ... -
Challenges in Laboratory Diagnosis of the Novel Coronavirus SARS-CoV-2
( MDPI , 2020 , Article)The recent outbreak of the Coronavirus disease 2019 (COVID-19) has quickly spread worldwide since its discovery in Wuhan city, China in December 2019. A comprehensive strategy, including surveillance, diagnostics, research, ... -
Changes in air quality during the first-level response to the COVID-19 pandemic in Shanghai Municipality, China
( MDPI , 2020 , Article)Ongoing rapid urban population growth world-wide has led to serious environmental problems that affect ecosystems and also lower the security and happiness of urban residents about their living environment. The most ... -
Clinical Implications of COVID-19 Presence in CSF: Systematic Review of Case Reports
( MDPI , 2022 , Article Review)This systematic review focused on severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) patients that had detected SARS-CoV-2 virus in cerebrospinal fluid (CSF). A systematic literature search was carried out in ... -
Coronavirus and halal tourism and hospitality industry: Is it a journey to the unknown?
( MDPI , 2020 , Article)Coronavirus (COVID-19) gained and will continue to gain a lot of global attention over the coming months (and maybe the coming few years). Since its outbreak in Wuhan (China), it has turned into one of the major challenges ... -
Could antigen presenting cells represent a protective element during sars-cov-2 infection in children?
( MDPI , 2021 , Article)Antigen Presenting Cells (APC) are immune cells that recognize, process, and present antigens to lymphocytes. APCs are among the earliest immune responders against an antigen. Thus, in patients with COVID-19, a disease ... -
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 ... -
COVID-19 lesion segmentation using lung CT scan images: Comparative study based on active contour models
( MDPI , 2021 , Article)Pneumonia is a lung infection that threatens all age groups. In this paper, we use CT scans to investigate the effectiveness of active contour models (ACMs) for segmentation of pneumonia caused by the Coronavirus disease ... -
COVID-19 Vaccination: The Mainspring of Challenges and the Seed of Remonstrance
( MDPI , 2021 , Article Review)As of March 2020, the time when the coronavirus disease 2019 (COVID-19) caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) became a pandemic, our existence has been threatened and the lives of ... -
COVID-19 Vaccine Hesitancy and Personality Traits; Results from a Large National Cross-Sectional Survey in Qatar
( MDPI , 2023 , Article)Attitudes to vaccination arise from a complex interplay of personal and environmental factors. This has been true for the COVID-19 vaccination attitudes too and understanding personal factors would help design immunisation ... -
COVID-19 Vaccine Hesitancy in a Representative Education Sector Population in Qatar
( MDPI , 2021 , Article)Even though vaccination programs have now started in earnest across the globe and in Qatar, vaccine hesitancy remains a barrier to effectively tackling the pandemic. Many factors influence willingness to take vaccines ... -
COVID-19 Vaccine Platforms: Challenges and Safety Contemplations
( MDPI , 2021 , Article Review)The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has become a pandemic as of March 2020, creating a global crisis and claiming millions of lives. To halt the pandemic and alleviate its impact on society, ... -
Detection and severity classification of COVID-19 in CT images using deep learning
( MDPI , 2021 , Article)Detecting COVID-19 at an early stage is essential to reduce the mortality risk of the patients. In this study, a cascaded system is proposed to segment the lung, detect, localize, and quantify COVID-19 infections from ...