تصفح Research Units حسب العنوان
السجلات المعروضة 3221 -- 3240 من 4723
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Prevalence and Phylogenetic Analysis of Parvovirus (B19V) among Blood Donors with Different Nationalities Residing in Qatar
( MDPI , 2021 , Article)Human parvovirus (B19V) is the causative agent of erythema infectiosum in children and is linked to a wide range of clinical manifestations. Studies related to B19V prevalence in the Middle East and North Africa (MENA) ... -
Prevalence and Potential Determinants of COVID-19 Vaccine Hesitancy and Resistance in Qatar
( Qatar University Press , 2021 , Poster)Global COVID-19 pandemic containment necessitates understanding the risk of hesitance or resistance to vaccine uptake in different populations. The Middle East and North Africa currently lack vital representative vaccine ... -
Prevalence and potential determinants of covid-19 vaccine hesitancy and resistance in qatar: Results from a nationally representative survey of qatari nationals and migrants between december 2020 and january 2021
( MDPI AG , 2021 , Article)Global COVID-19 pandemic containment necessitates understanding the risk of hesitance or resistance to vaccine uptake in different populations. The Middle East and North Africa currently lack vital representative vaccine ... -
Prevalence and potential determinants of subthreshold and major depression in the general population of Qatar
( Elsevier , 2019 , Article)Background There is a paucity of epidemiological studies of depression in war-free Arab countries. This study estimated the prevalence and potential determinants of Subthreshold (SUBDE) and Major Depressive Episode (MDE) ... -
Prevalence and sociodemographic correlates of stunting, underweight, and overweight among Palestinian school adolescents (13-15 years) in two major governorates in the West Bank
( BioMed Central Ltd. , 2009 , Article)There is little information about height and weight status of Palestinian adolescents. The objective of this paper was to assess the prevalence of stunting, underweight, and overweight/obesity among Palestinian school ... -
Prevalence of anelloviruses (TTV, TTMDV, and TTMV) in healthy blood donors and in patients infected with HBV or HCV in Qatar
( BioMed Central , 2016 , Article)Background Anelloviruses (TTV, TTMV, and TTMDV) have been associated with non A-G hepatitis. The goal of the current study was to estimate the prevalence of these anelloviruses in Qatar. Methods A total of 607 blood ... -
Prevalence of antibiotic resistant Escherichia coli isolates from fecal samples of food handlers in Qatar
( BioMed Central , 2018 , Article)Background: It is well documented that food handlers harbor and shed enteric foodborne pathogens causing foodborne disease outbreaks. However, little known on enteric antibiotic resistant (AR) bacteria carriage in ... -
Prevalence of antibiotic resistant Escherichia coli isolates from local and imported retail chicken carcasses.
( International Association for Food Protection , 2020 , Article)The spread of antibiotic resistance has been associated with consumption of food contaminated with pathogenic and non-pathogenic resistant bacteria. The objective of this study was to determine the prevalence of antibiotic ... -
Prevalence of Blastocystis sp. and other gastrointestinal pathogens among diarrheic COVID-19 patients in Italy
( Elsevier , 2024 , Article)BackgroundGastrointestinal pathogens (GPs) contribute significantly to the burden of illness worldwide with diarrhoea being the most common among gastrointestinal symptoms (GSs). In the COVID-19 disease, diarrhoea, could ... -
Prevalence of Chlamydia trachomatis infection in the general population of women in Qatar
( BMJ Publishing Group , 2013 , Article)Objectives The Arabian Gulf region has limited epidemiological data related to sexually transmitted infections. The objective of this study was to estimate the prevalence of Chlamydia trachomatis infection among general ... -
Prevalence of Gastrointestinal Protoz in Feral Cat Population in Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Introduction: Doha city has a high feral cat population that is estimated to outnumber its human inhabitants by 2-3:1 with a total population of 2-3 million cats according to Qatar Cat Control Unit (QCCU). Doha had a ... -
Prevalence of hepatitis B and C viruses among migrant workers in Qatar.
( Springer Nature , 2024 , Article)Limited data exist on viral hepatitis among migrant populations. This study investigated the prevalence of current hepatitis B virus (HBV) infection and lifetime hepatitis C virus (HCV) infection among Qatar's migrant craft ... -
The prevalence of HEV among non-A-C hepatitis in Qatar and efciency of serological markers for the diagnosis of hepatitis E
( BMC , 2021 , Article)Background: The rapid growth of Qatar in the last two decades has attracted a large influx of immigrant workers who mostly come from HEV-hyperendemic countries. Thus, we aim to investigate the prevalence of HEV among acute ... -
Prevalence of microplastics in the marine environment of Qatar's exclusive economic zone
( Bloomsbury Qatar Foundation Journals , 2015 , Conference Paper)Microplastics are now firmly recognized as a ubiquitous and growing global threat to marine biota, as well as their associated ecology and habitats. The prevalence of microplastics in the marine waters within Qatar’s ... -
Prevalence of microplastics in the marine waters of Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)The issue of plastic pollution in the marine environment is of increasing global concern. As plastics typically have an intrinsic durability, water insolubility and slow degradation rates, debris has now become both ... -
Prevalence of microplastics in the marine waters of Qatar
( Elsevier Ltd , 2016 , Article)Microplastics are firmly recognized as a ubiquitous and growing threat to marine biota and their associated marine habitats worldwide. The evidence of the prevalence of microplastics was documented for the first time in ... -
The prevalence of novel psychoactive substances (NPS) use in non-clinical populations: a systematic review protocol
( BioMed Central , 2016 , Article)Background Novel psychoactive substances (NPS) are new narcotic or psychotropic drugs that are not controlled by the United Nations drug convention that may pose a serious public health threat due to their wide availability ... -
Prevalence of Virulence/Stress Genes in Campylobacter jejuni from Chicken Meat Sold in Qatari Retail Outlets
( Public Library of Science , 2016 , Article)Chicken meat from the shelves of supermarkets in Qatar was tested for the presence of Campylobacter spp. and the presence of five virulence genes (htrB, cdtB, clpP, cadF and ciaB) was assessed in isolates. Forty eight ... -
Prevention of barite sag in water-based drilling fluids by a urea-based additive for drilling deep formations
( MDPI , 2020 , Article)Barite sag is a challenging phenomenon encountered in deep drilling with barite-weighted fluids and associated with fluid stability. It can take place in vertical and directional wells, whether in dynamic or static conditions. ... -
Principles and Applicability of Integrated Remediation Strategies for Heavy Metal Removal/Recovery from Contaminated Environments
( Springer , 2022 , Article)Contamination of agricultural soils with heavy metals present lethal consequences in terms of diverse ecological and environmental problems that entail entry of metal in food chain, soil deterioration, plant growth ...
