تصفح حسب الموضوع "Epidemiology"
السجلات المعروضة 1 -- 20 من 44
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A particle swarm optimization approach for predicting the number of COVID-19 deaths
( Nature Research , 2021 , Article)The rapid spread of the COVID-19 pandemic has raised huge concerns about the prospect of a major health disaster that would result in a huge number of deaths. This anxiety was largely fueled by the fact that the severe ... -
All-cause and COVID-19 mortality in Qatar during the COVID-19 pandemic
( BMJ Publishing Group , 2023 , Article)Objective To investigate all-cause mortality, COVID-19 mortality and all-cause non-COVID-19 mortality in Qatar during the COVID-19 pandemic. Methods A national, retrospective cohort analysis and national, matched, retrospective ... -
Association between COVID-19 vaccination and stroke: a nationwide case-control study in Qatar
( Elsevier , 2024 , Article)Objective: This study investigated the association between Coronavirus Disease 2019 mRNA vaccination and stroke in Qatar. Methods: Between December 1, 2020, and April 11, 2023, a matched case-control study was conducted ... -
Bacillus thuringiensis strains isolated from Qatari soil, synthesizing δ-endotoxins highly active against the disease vector insect Aedes aegypti Bora Bora
( Elsevier , 2020 , Article)© 2020 Bacillus thuringiensis (Bt) is a Gram-positive soil bacterium that has been recognized as an effective bioinsecticide active against plant, animal and human pathogenic and disease vector insects. During its sporulation ... -
Bacteremia and septicemia in Qatar
( Ministry of Defence And Aviation , 1999 , Article)Objectives: The aims of the study are to define the pattern of bacteremia and septicemia in Hamad Medical Corporation in relation to the susceptibility of the implicated microbes to various antimicrobial agents. Methods: ... -
Canavan disease: an Arab scenario.
( Elsevier Inc. , 2015 , Article)The autosomal recessive Canavan disease (CD) is a neurological disorder that begins in infancy. CD is caused by mutations in the gene encoding the ASPA enzyme. It has been reported with high frequency in patients with ... -
Cardiovascular disease in the Eastern Mediterranean region: epidemiology and risk factor burden
( Nature Publishing Group , 2017 , Article Review)The Eastern Mediterranean region (EMR) comprises 22 countries or territories spanning from Morocco in the west to Pakistan in the east, and contains a population of almost 600 million people. Like many other developing ... -
Cross-national analysis of estimated narcotic utilization for twelve Arabic speaking countries in the Middle East
( Elsevier , 2016 , Article)Background: Access to narcotics has been described as suboptimal in the Middle East. The objectives of this study were to characterize estimated narcotic use in twelve Arabic-speaking nations and compare across world ... -
Duration of mRNA vaccine protection against SARS-CoV-2 Omicron BA.1 and BA.2 subvariants in Qatar.
( Nature Research , 2022 , Article)SARS-CoV-2 Omicron BA.1 and BA.2 subvariants are genetically divergent. We conducted a matched, test-negative, case-control study to estimate duration of protection of the second and third/booster doses of mRNA COVID-19 ... -
Effectiveness of influenza vaccination against SARS-CoV-2 infection among healthcare workers in Qatar
( Elsevier , 2023 , Article)BackgroundSome studies have reported that influenza vaccination is associated with lower risk of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and/or coronavirus disease 2019 (COVID-19) morbidity ... -
Effectiveness of the neutralizing antibody sotrovimab among high-risk patients with mild-to-moderate SARS-CoV-2 in Qatar
( Elsevier , 2022 , Article)ObjectivesTo estimate the real-world effectiveness of sotrovimab against severe, critical, or fatal COVID-19 in Qatar at a time in which most SARS-CoV-2 incidences occurred due to the BA.2 Omicron subvariant. MethodsWe ... -
Epidemiology and early bacterial colonization of minor and moderate pediatric burns: A retrospective study from a developing country
( Elsevier , 2023 , Article)ObjectivesInfection is still the leading cause of morbidity and mortality among burn patients worldwide. Isolation and identification of pediatric burn wound bacterial colonizers can prevent infection and improve burn ... -
Epidemiology of herpes simplex virus type 2 in Europe: systematic review, meta-analyses, and meta-regressions
( Elsevier , 2023 , Article)Background: Herpes simplex virus type 2 (HSV-2) infection is a globally prevalent, life-long, sexually transmitted infection. This study characterized HSV-2 seroprevalence in Europe for various at-risk populations and ... -
Epidemiology of respiratory infections among adults in Qatar (2012-2017).
( Public Library of Science , 2019 , Article)Limited data is available about the etiology of influenza like illnesses (ILIs) in Qatar. This study aimed at providing preliminary estimates of influenza and other respiratory infections circulating among adults in Qatar. ... -
Epidemiology of SARS-CoV2 in Qatar's primary care population aged 10 years and above
( BMC , 2021 , Article)There is an urgent need to elucidate the epidemiology of the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV2) and characterize its potential impact. Investing in characterising the SARS-CoV2 will help plan and ... -
Estimates of global SARS-CoV-2 infection exposure, infection morbidity, and infection mortality rates in 2020
( Elsevier , 2021 , Article)We aimed to estimate, albeit crudely and provisionally, national, regional, and global proportions of respective populations that have been infected with SARS-CoV-2 in the first year after the introduction of this virus ... -
Gallbladder cancer: 7-Year experience from Qatar
( Elsevier Ltd , 2019 , Article)Thirty-five patients presented with GC during the study period, 10 females (28.6%) and 25 males (71.4%). Fourteen patients (40%) were diagnosed incidentally after laparoscopic cholecystectomy, 16 (48.6%) were diagnosed ... -
Genetic epidemiology of ovarian cancer in the 22 Arab countries: A systematic review.
( Elsevier , 2019 , Article)Ovarian cancer (OC) is a common disease among Arabs, with one of the highest incidences in the world. OC is underdiagnosed, underreported, and mostly reported with breast cancer. This study aimed to conduct a systematic ... -
Geographic, gender and seasonal variation of diabetes: a nationwide study among 1.4 million participants.
( Oxford University Press , 2021 , Article)China experienced a rapid increase in the prevalence of diabetes. To assess the prevalence of diabetes among Chinese adults who attend preventive physical examination, and analyzed geographical and gender difference in ... -
Hepatitis C virus infection spontaneous clearance: Has it been underestimated?
( Elsevier B.V. , 2018 , Article)Objectives: Hepatitis C virus (HCV) clearance rate (fclearance) is defined as the proportion of infected persons who will spontaneously clear their infection after acute infection. We aimed to estimate fclearance using a ...