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COVID-19 infection localization and severity grading from chest X-ray images
(
Elsevier Ltd
, 2021 , Article)
The immense spread of coronavirus disease 2019 (COVID-19) has left healthcare systems incapable to diagnose and test patients at the required rate. Given the effects of COVID-19 on pulmonary tissues, chest radiographic ...
Exploring the interaction of quercetin-3-O-sophoroside with SARS-CoV-2 main proteins by theoretical studies: A probable prelude to control some variants of coronavirus including Delta
(
Elsevier B.V.
, 2021 , Article)
The aim of this study was to investigate the mechanism of interaction between quercetin-3-O-sophoroside and different SARS-CoV-2?s proteins which can bring some useful details about the control of different variants of ...
A review on the cleavage priming of the spike protein on coronavirus by angiotensin-converting enzyme-2 and furin
(
Taylor and Francis Ltd.
, 2021 , Article)
The widespread antigenic changes lead to the emergence of a new type of coronavirus (CoV) called as severe acute respiratory syndrome (SARS)-CoV-2 that is immunologically different from the previous circulating species. ...
Forecast of the outbreak of COVID-19 using artificial neural network: Case study Qatar, Spain, and Italy
(
Elsevier B.V.
, 2021 , Article)
The present study illustrates the outbreak prediction and analysis on the growth and expansion of the COVID-19 pandemic using artificial neural network (ANN). The first wave of the pandemic outbreak of the novel Coronavirus ...
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 ...
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 ...
SARS-CoV-2 antibody-positivity protects against reinfection for at least seven months with 95% efficacy
(
Elsevier
, 2021 , Article)
Background Reinfection with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been documented, raising public health concerns. SARS-CoV-2 reinfections were assessed in a cohort of antibody-positive persons ...
الأوبئة وتحديات الأمن الوطني في الدولة الحديثة: كوفيد-19 نموذجاً
(
مركز الجزيرة للدراسات
, 2021 , Article)
تبحــث الدراســة العلاقــة بيــن الصحــة والأمــن في ضــوء أزمــة انتشــار جائحــة كوفيــد 19، باســتعراض شــتى الجوانــب الأمنيــة التــي لامســتها هــذه الجائحــة ومثّلـت تهديـدًا لهـا، ومـن ذلـك بشـكل أساسـي الأمن القومـي ...
Association between periodontitis and severity of COVID-19 infection: A case–control study
(
Wiley
, 2021 , Article)
Aim: COVID-19 is associated with an exacerbated inflammatory response that can result in fatal outcomes. Systemic inflammation is also a main characteristic of periodontitis. Therefore, we investigated the association of ...
Equity in vaccine trials for higher weight people? A rapid review of weight-related inclusion and exclusion criteria for COVID-19 clinical trials
(
MDPI
, 2021 , Article)
Higher weight status, defined as body mass index (BMI) ≥ 30 kg/m2, is frequently described as a risk factor for severity and susceptibility to severe acute respiratory syndrome coron-avirus 2 (SARS-CoV-2) disease (known ...