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Effects of SARS-CoV-2 Alpha, Beta, and Delta variants, age, vaccination, and prior infection on infectiousness of SARS-CoV-2 infections
(
Frontiers Media
, 2022 , Article)
In 2021, Qatar experienced considerable incidence of SARS-CoV-2 infection that was dominated sequentially by the Alpha, Beta, and Delta variants. Using the cycle threshold (Ct) value of an RT-qPCR-positive test to proxy ...
Burden and disease pathogenesis of influenza and other respiratory viruses in diabetic patients
(
Elsevier
, 2022 , Article Review)
Over the past two decades, diabetes mellitus (DM) has been receiving increasing attention among autoimmune diseases. The prevalence of type 1 and type 2 diabetes has increased rapidly and has become one of the leading ...
Screening and diagnostic testing protocols for HIV and Syphilis infections in health care setting in Qatar: Evaluation and recommendations
(
Public Library of Science
, 2023 , Article)
Background HIV and Syphilis are common STIs, which have become a concern and burden on healthcare systems, as many infections go untreated and lead to potentially serious complications. HIV is usually diagnosed with Western ...
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 ...
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 ...
Measuring influenza hemagglutinin (HA) stem-specific antibody-dependent cellular cytotoxicity (ADCC) in human sera using novel stabilized stem nanoparticle probes
(
Elsevier
, 2019 , Article)
BackgroundGenerating vaccine that confers a complete protection is a major goal in designing a universal influenza vaccine. Currently, there is a considerable interest in the broadly neutralizing antibodies (bnAb) targeting ...
Seroprevalence of hepatitis E virus among blood donors in Qatar (2013-2016)
(
Wiley
, 2017 , Article)
BACKGROUND
Hepatitis E virus (HEV) is an RNA virus transmitted mainly through zoonotic transmission or fecal–oral route. More than 80% of Qatar's population are expatriates, including many coming from hyperendemic ...
Detection and Phylogenetic Analysis of Human Pegivirus (GBV-C) Among Blood Donors and Patients Infected With Hepatitis B Virus (HBV) in Qatar
(
Wiley
, 2015 , Article)
Human Pegivirus (HPgV), formerly GB virus-C/
Hepatitis G virus (GBV-C/HGV), collectively
known as GBV-C, is widely spread and has
been reported to be associated with non-A–E
hepatitis. To our knowledge, no previous ...
A YEAST TWO-HYBRID SCREEN REVEALS A STRONG INTERACTION BETWEEN THE LEGIONELLA CHAPERONIN Hsp60 AND THE HOST CELL SMALL HEAT SHOCK PROTEIN Hsp10
(
Akadémiai Kiadó
, 2015 , Article)
L. pneumophila is an intracellular bacterium that replicates inside a membrane-
bound vacuole called Legionella-containing vacuole (LCV), where it plentifully
liberates its HtpB chaperonin. From LCV, HtpB reaches the ...
Fabrication & Characterization of 3D Electrospun Biodegradable Nanofibers for Wound Dressing, Drug Delivery and Other Tissue Engineering Applications
(
Bentham Science
, 2016 , Article)
Background: The use of electrospinning technology (ET) in fabrication of threedimensional biodegradable electrospun nanofibers scaffolds (BENS) has recently gained considerable attention in tissue engineering. BENS are ...