بحث بسيط
السجلات المعروضة 81 -- 90 من 113
Pandemic Preparedness and Response: A Foldable Tent to Safely Remove Contaminated Dental Aerosols-Clinical Study and Patient Experience
(
MDPI
, 2022 , Article)
The D-DART (Droplet and Aerosol Reducing Tent) is a foldable design that can be attached to the dental chair to prevent the spread of contaminated dental aerosols. The objective of this study was to evaluate the ability ...
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, ...
The prevalence of adaptive immunity to COVID-19 and reinfection after recovery - a comprehensive systematic review and meta-analysis of 12 011 447 individuals
(
Qatar University Press
, 2021 , Poster)
Research purpose: The research aims to estimate the prevalence of detectable SARS-CoV-2 antibodies, T and B memory cells after recovery, to determine the prevalence of SARS-CoV-2 reinfection, and to investigate the protective ...
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 ...
Severe acute respiratory syndrome coronavirus-2 natural animal reservoirs and experimental models: systematic review.
(
John Wiley and Sons
, 2020 , Article Review)
The current severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) outbreak has been rapidly spreading worldwide, causing serious global concern. The role that animal hosts play in disease transmission is still ...
Evaluation of reverse transcription-loop-mediated isothermal amplification (RT-LAMP) for detecting SARS-CoV-2 in clinical, environmental and animal samples.
(
Qatar University Press
, 2020 , Poster)
Background: First described 20 years ago by Notomi et al., the loop-mediated isothermal amplification (LAMP) assay is robust, rapid and straightforward, yet retains high sensitivity and specificity. These features have ...
Reporting of RT-PCR cycle threshold (Ct) values during the first wave of COVID-19 in Qatar improved result interpretation in clinical and public health settings
(
Microbiology Society
, 2022 , Article)
Introduction. The cycle threshold (Ct) value in real-time PCR (RT-PCR) is where a target-specific amplification signal becomes detectable and can infer viral load, risk of transmission and recovery. Use of Ct values in ...
SARS-CoV-2 does not replicate in HaCaT spontaneously immortalized human keratinocytes: implications for the pathogenesis of COVID-19-associated skin manifestations
(
John Libbey Eurotext
, 2022 , Article)
Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2)-related cutaneous manifestations have been reported [1], however, the direct or indirect role of SARS-CoV-2 infection in their pathophysiology is still debated ...
NASAL EXPRESSION OF ANIOTENSIN-CONVERTING ENZYME 2 (ACE2) IN CHILDREN AND ADULTS WITH COVID-19
(2021 , Master Thesis)
"Emerging evidence suggests that the lower expression of SARS-CoV-2 entry factor angiotensin-converting enzyme 2 (ACE2) and transmembrane serine protease 2 (TMPRSS2) in the nasal epithelium of children may contribute to ...
Rapid Antibody-Based COVID-19 Mass Surveillance: Relevance, Challenges, and Prospects in a Pandemic and Post-Pandemic World.
(
MDPI
, 2020 , Article Review)
The aggressive outbreak of the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) as COVID-19 (coronavirus disease-2019) pandemic demands rapid and simplified testing tools for its effective management. Increased ...