COVID-19 Research
Recent Submissions
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R2C-GAN: Restore-to-Classify Generative Adversarial Networks for blind X-ray restoration and COVID-19 classification
( Elsevier , 2024 , Article)Restoration of poor-quality medical images with a blended set of artifacts plays a vital role in a reliable diagnosis. As a pioneer study in blind X-ray restoration, we propose a joint model for generic image restoration ... -
Afucosylated IgG Promote Thrombosis in Mouse Injected with SARS-CoV-2 Spike Expressing Megakaryocytes
( Multidisciplinary Digital Publishing Institute (MDPI) , 2025 , Article)Despite the prevalence of fucosylated IgG in plasma, specific IgGs with low core fucosylation sporadically emerge in response to virus infections and blood cell alloantigens. This low fucosylation of IgG is implicated in ... -
Effectiveness of ChAdOx1 nCoV-19 (Vaxzevria) primary series vaccine against SARS-CoV-2 beta and delta variants: a nationwide study
( Springer Nature , 2025 , Article)Background: This study assessed the real-world effectiveness of the ChAdOx1 nCoV-19 vaccine in adults against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, symptomatic infection, and severe ... -
Assessing healthy vaccinee effect in COVID-19 vaccine effectiveness studies: a national cohort study in Qatar.
( National Center for Biotechnology Information , 2025 , Article)This study investigated the presence of the healthy vaccinee effect-the imbalance in health status between vaccinated and unvaccinated individuals-in two rigorously conducted COVID-19 vaccine effectiveness studies involving ... -
A pilot study on the pattern of COVID-19 information sources and its associated factors among the public in Qatar: a cross-sectional survey
( Hamad Bin Khalifa University Press (HBKU Press) , 2025 , Article)Background: During the coronavirus pandemic, many people looked for information on COVID-19 through social, official, and traditional media sources. This caustic situation resulted in panic among the public, leading to ... -
Willingness to Receive COVID-19 Booster Vaccine: Associations between Green-Pass, Social Media Information, Anti-Vax Beliefs, and Emotional Balance
( Multidisciplinary Digital Publishing Institute (MDPI) , 2022 , Article)The aims of the present investigation were (i) to determine psychological relapses of COVID-19 booster vaccine; (ii) to identify the determining factors affecting willingness to receive COVID-19 vaccine; and (iii) to study ... -
The AMH Fashion Company: Navigating the GCC and COVID-19 Crises
( Elsevier , 2025 , Article)In an ever-changing global landscape marked by unpredictable crises, businesses face monumental challenges in ensuring continuity and resilience. This case study explores the strategic crisis and risk management manoeuvres ... -
Potential Resistance Mechanisms Exhibited by Cystic Fibrosis Patients Against SARS-CoV-2
( Multidisciplinary Digital Publishing Institute (MDPI) , 2025 , Article)Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the causative agent of the 2019 coronavirus disease pandemic. The virus primarily spreads through person-to-person contact via aerosols and droplets, contributing ... -
Immune transcriptomic analysis on COVID-19 patients with varying clinical presentations identifies severity markers
( Nature Research , 2025 , Article)Coronavirus disease (COVID-19) is a heterogeneous infectious disease caused by the novel coronavirus, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The distinctive features of COVID-19 infection encompass ... -
Functional and radiological changes in ICU survivors with COVID-19 at 1-year follow-up from the OUTSTRIP COVID-19 study
( HBKU Press , 2025 , Article)Objective: We aimed to determine the radiological changes on computed tomography (CT) scans of the chest and pulmonary function abnormalities at a 1-year follow-up in intensive care unit (ICU) survivors with severe ... -
Impact of mRNA COVID-19 vaccination on hematological parameters in patients maintained on clozapine: A retrospective study from Qatar
( Elsevier , 2025 , Article)BackgroundCOVID-19 vaccines are known to cause transient changes in white blood cell counts as part of the immune activation process. Clozapine, an antipsychotic agent primarily prescribed for treatment-resistant schizophrenia, ... -
Prevalence, patterns, drivers, and perceived benefits of herbal medicine use in COVID-19 patients in Qatar
( Taylor and Francis Group , 2025 , Article)Background: Coronavirus disease 2019 (COVID-19), caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), emerged as a global health crisis in early 2020, leading to widespread morbidity and mortality. ... -
Comprehensive global-scale evaluation of the COVID-19 pandemic associated with 234 countries, territories, and sub-national locations during 2020–2024
( Springer Nature , 2025 , Article)Comprehensive estimation of COVID-19, including infection, death, excess mortality, case fatality rate (CFR), and infection fatality rate (IFR), is essential for understanding the pandemic’s pattern. The location-specific ... -
COVID-19 disease outcomes in patients receiving clozapine versus other antipsychotics: a national study in Qatar
( Frontiers , 2025 , Article)Background: Clozapine has immunomodulatory effects that raised concerns about its potential to exacerbate severe COVID-19. This study examines whether clozapine use is associated with worse COVID-19 outcomes in patients ... -
Comparative effectiveness of one versus two doses of COVID-19 vaccines in Qatar: Evidence of converging protection over time
( Elsevier , 2025 , Article)BackgroundSupply constraints during the coronavirus disease 2019 (COVID-19) pandemic led to vaccination strategies that prioritized first-dose coverage. To evaluate the merit of this approach, this study compared the ... -
Microneedle Delivery of Heterologous Microparticulate COVID-19 Vaccine Induces Cross Strain Specific Antibody Levels in Mice
( Multidisciplinary Digital Publishing Institute (MDPI) , 2025 , Article)Background: In recent years, the COVID-19 pandemic has significantly impacted global health, largely driven by the emergence of various genetic mutations within the SARS-CoV-2 virus. Although the pandemic phase has passed, ... -
From Knowledge to Habits: Changes in COVID-19 Health Attitudes, Practices, and Sources of Information (HAPS) at Qatar University Post-Pandemic.
( Wiley , 2025 , Article)The COVID-19 pandemic has profoundly impacted health behaviors globally and this study investigated changes in Health, Attitudes, Practices, and Sources of information (HAPS) among 1186 students, faculty, and staff at Qatar ... -
Mental health and psychotropic medication trends during the COVID-19 pandemic in a middle eastern population: A systematic analysis of electronic medical records from Qatar
( Elsevier , 2025 , Article)BackgroundThe COVID-19 pandemic has had a detrimental impact on the mental health of populations. We aimed in this examines the impact of the COVID-19 pandemic on the prevalence and treatment of mental health disorders ... -
Comprehensive analysis of human coronavirus antibody responses in ICU and non-ICU COVID-19 patients reveals IgG3 against SARS-CoV-2 spike protein as a key biomarker of disease severity
( Microbiology Society , 2025 , Article)Introduction. Pre-existing immunity to human coronaviruses (HCoVs) may shape the immune response in COVID-19 patients. Increasing evidence suggests that immune cross-reactivity between SARS-CoV-2 and other coronaviruses ... -
Antibody-dependent enhancement of SARS-CoV-2, the impact of variants and vaccination
( Taylor and Francis Group , 2025 , Article)This study characterized antibody-dependent enhancement (ADE) in serum samples from individuals exposed to SARS-CoV-2 via infection or vaccination and evaluated its association with SARS-CoV-2 variants (Wuhan and Omicron), ...
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