COVID-19 Research
Recent Submissions
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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 ... -
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, ... -
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 ... -
Protection conferred by SARS-CoV-2 infection across a spectrum of reinfection symptoms and severities
( BMJ Publishing Group , 2025 , Article)Background SARS-CoV-2 infection is associated with protection against reinfection. This study analysed this protection across different reinfection symptoms and severities, comparing the preomicron and omicron eras. Methods ... -
Impact of the COVID-19 pandemic on sexually transmitted infection testing and diagnosis in Lebanon: A retrospective chart review
( Elsevier , 2024 , Article)BackgroundSocial distancing restrictions during the COVID-19 pandemic caused disruptions to sexual health services (SHS) worldwide. During the first year of the pandemic, Lebanon implemented multiple lockdowns during which ... -
A fractional-order model for the novel coronavirus (COVID-19) outbreak
( Springer , 2020 , Article)The outbreak of the novel coronavirus (COVID-19), which was firstly reported in China, has affected many countries worldwide. To understand and predict the transmission dynamics of this disease, mathematical models can be ... -
Characterizing key attributes of COVID-19 transmission dynamics in China's original outbreak: Model-based estimations
( Elsevier , 2020 , Article)A novel coronavirus strain, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), emerged in China. This study aims to characterize key attributes of SARS-CoV-2 epidemiology as the infection emerged in China. An ... -
Analysis of COVID-19 Cases' Spatial Dependence in US Counties Reveals Health Inequalities
( Frontiers Media S.A. , 2020 , Article)On March 13, 2020, the World Health Organization (WHO) declared the 2019 coronavirus disease (COVID-19) caused by the novel coronavirus SARS-CoV2 a pandemic. Since then the virus has infected over 9.1 million individuals ... -
Extensive use of face masks during COVID-19 pandemic: (micro-)plastic pollution and potential health concerns in the Arabian Peninsula
( Elsevier , 2020 , Article)Face masks are primary line of defense to reduce the transmission risk of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). World Health Organization (WHO) has already updated the guidelines and advised the use ... -
Telepsychiatry in the Arabian Gulf region - Implications beyond the Covid-19 pandemic
( Elsevier , 2020 , Article)Coronavirus Disease 2019 (Covid-19) was declared as a public health emergency by the World Health Organization in March 2020 (WHO Director-General's opening remarks at the media briefing on COVID-19 - 11 March 2020, n.d.). ... -
Challenges of patients with intrathecal baclofen pump therapy during COVID-19 pandemic in Saudi Arabia
( Lippincott Williams and Wilkins , 2024 , Article)Background: This study was carried out to analyze the effects of the coronavirus disease 2019 (COVID-19) pandemic on patients with intrathecal baclofen (ITB) therapy. Methods: Patients who came for ITB refill during ... -
Depression Symptoms Severity and Factors Associated with Referral Patterns in The Primary Health Care Corporation Centers in Qatar Before and During the COVID-19 Pandemic (2018-2021): A Comparative Cross-Sectional Study
(2025 , Master Thesis)Background: Mental health issues have shown a growing burden in Qatar, with COVID-19 pandemic contributing to increased levels of anxiety and depression. Research evidence on depression symptoms severity (DSS) and factors ... -
Patients' insights into unused medications during the COVID-19 outbreak: A qualitative study
( Elsevier , 2024 , Article)Background: The COVID-19 outbreak had significant global healthcare implications, including the use of medications. This is specifically evident in the surge in use of some medication and a decline in the use of others. ... -
A prospective cohort study on cognitive and psychological outcomes in COVID-19 ICU survivors at 3 months of follow up
( Frontiers Media SA , 2024 , Article)Objective: The Outcomes – Short and Long term in ICU patient with COVID-19 “OUTSTRIP COVID-19” study was initiated to assess overall mortality, physical and psychiatric co-morbidities, reduction in lung function, and the ... -
The perceived challenges to online learning during the COVID-19 pandemic: A nationwide study of K-12 parental perspectives (Arab and other parents) in Qatar
( Elsevier , 2024 , Article)This study aimed to explore self-reported challenges Arab and other parents encountered during the sudden shift to online teaching and learning due to the COVID-19 pandemic. The researchers investigated the likely effect ...
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