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  1. Article: Viral etiology of severe lower respiratory tract infections in SARS-CoV-2 negative hospitalized patients during the COVID-19 pandemic in Kuwait.

    Altawalah, Haya / Alfouzan, Wadha / Al-Fadalah, Talal / Zalzala, Mariam Ali / Ezzikouri, Sayeh

    Heliyon

    2024  Volume 10, Issue 8, Page(s) e29855

    Abstract: Background: The prevalence of respiratory infections is largely underexplored in Kuwait. The aim of our study is to determine the etiology of infections from patients who are SARS-CoV-2 negative hospitalized with severe lower respiratory tract ... ...

    Abstract Background: The prevalence of respiratory infections is largely underexplored in Kuwait. The aim of our study is to determine the etiology of infections from patients who are SARS-CoV-2 negative hospitalized with severe lower respiratory tract infections (LRTIs) in Kuwait during the coronavirus disease 2019 (COVID-19) pandemic.
    Methods: We conducted an observational cross-sectional study among severe LRTI patients between September 2021 and March 2022. Respiratory samples from 545 non-COVID-19 severe LRTIs patients were prospectively evaluated with FTD Respiratory 21 Plus® real-time PCR, targeting 20 different viruses and 1 atypical bacterial pathogen.
    Results: Among all 545 hospitalized cases, 411 (75.4 %) tested positive for at least one respiratory pathogen. The most common were rhinovirus (HRV) (32.7 %), respiratory syncytial virus (RSV) (20.9 %), metapneumovirus (HMPV) (14.1 %), bocavirus (13.2 %), and influenza A (12.7 %). The proportion of pathogens detected was highest in the under-5 age group, while HKU1 (44.4 %) predominated in the elderly (>50 years).
    Conclusion: Our study reveals a high prevalence of respiratory viruses in severe acute lower respiratory tract infections among non-COVID-19 hospitalized patients in Kuwait. HRV remains the main etiology affecting the country, particularly in infants. These results underscore the necessity of employing multiplex PCR for accurate diagnosis and describing the epidemiology of infections among severe lower respiratory tract infections. This will facilitate the use of specific antiviral therapy and help avoid excessive or inappropriate antibiotic therapy.
    Language English
    Publishing date 2024-04-17
    Publishing country England
    Document type Journal Article
    ZDB-ID 2835763-2
    ISSN 2405-8440
    ISSN 2405-8440
    DOI 10.1016/j.heliyon.2024.e29855
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Diagnostic Performance of Automated SARS-CoV-2 Antigen Assay in Nasal Swab during COVID-19 Vaccination Campaign.

    Altawalah, Haya / Alfouzan, Wadha / Al-Fadalah, Talal / Ezzikouri, Sayeh

    Diagnostics (Basel, Switzerland)

    2021  Volume 11, Issue 11

    Abstract: Background: To control the spread of the pandemic brought about by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, it is necessary to have an automated reliable diagnostic assay. To date, the RT-PCR (RT-qPCR) has been the ... ...

    Abstract Background: To control the spread of the pandemic brought about by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, it is necessary to have an automated reliable diagnostic assay. To date, the RT-PCR (RT-qPCR) has been the recommended laboratory method to diagnose SARS-CoV-2 infection, but there is a need for more automated and reliable tests. The aim of this real-life study was to assess the diagnostic performance of DiaSorin's LIAISON SARS-CoV-2 antigen (Ag) chemiluminescence immunoassay in detecting SARS-CoV-2 in vaccinated and unvaccinated individuals.
    Methods: A prospective study was performed on 300 nasopharyngeal swabs randomly collected from 31 May to 6 July 2021. Nasopharyngeal samples were assayed with DiaSorin's LIAISON SARS-CoV-2 Ag and TaqPath™ COVID-19 multiplex RT-qPCR.
    Results: Of 300 participants, 150 had a RT-qPCR confirmed SARS-CoV-2 infection of whom 113 (75.33%) were also detected by the DiaSorin LIAISON SARS-CoV-2 Ag. Taking RT-qPCR as a reference, the sensitivity and specificity of the DiaSorin LIAISON SARS-CoV-2 Ag assay were evaluated as 75.33% (95% CI = 67.64-82) and 100% (95% CI = 97.57-100), respectively. When a viral load cut-off was applied for high viral load (median cycle threshold (Ct) < 18.57), the overall sensitivity was increased to 96.55% (95% CI = 88.09-99.58). Interestingly, median RT-qPCR Ct and SARS-CoV-2 Ag values were similar between fully vaccinated and unvaccinated subjects.
    Conclusions: Automated, quantitative LIAISON SARS-CoV-2 Ag assay shows good performance to identify SARS-CoV-2-infected individuals with moderate to high viral loads. LIAISON SARS-CoV-2 Ag testing could be used as frontline testing for COVID-19 diagnosis and be more suitable for large utilization.
    Language English
    Publishing date 2021-11-15
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2662336-5
    ISSN 2075-4418
    ISSN 2075-4418
    DOI 10.3390/diagnostics11112110
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Changing Patterns of SARS-CoV-2 Seroprevalence: A Snapshot among the General Population in Kuwait.

    Alfouzan, Wadha / Altawalah, Haya / AlSarraf, Ahmad / Alali, Walid / Al-Fadalah, Talal / Al-Ghimlas, Fahad / Alajmi, Saud / Alajmi, Mubarak / AlRoomi, Ebtehal / Jeragh, Ahlam / Dhar, Rita

    Vaccines

    2023  Volume 11, Issue 2

    Abstract: We sought to assess pre-vaccination and post-vaccination seroprevalences of anti-SARS-CoV-2 antibodies in Kuwait and to compare antibody levels between vaccine types. In phase 1 (pre-vaccination period, ...

    Abstract We sought to assess pre-vaccination and post-vaccination seroprevalences of anti-SARS-CoV-2 antibodies in Kuwait and to compare antibody levels between vaccine types. In phase 1 (pre-vaccination period,
    Language English
    Publishing date 2023-02-02
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2703319-3
    ISSN 2076-393X
    ISSN 2076-393X
    DOI 10.3390/vaccines11020336
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Severe acute respiratory syndrome coronavirus 2 seroprevalence survey among 10,256 workers in Kuwait.

    Altawalah, Haya / Alfouzan, Wadha / Dhar, Rita / Alali, Walid / Bastaki, Hamad / Al-Fadalah, Talal / Al-Ghimlas, Fahad / Rabaan, Ali A / Ezzikouri, Sayeh

    Journal of clinical virology plus

    2021  Volume 1, Issue 1, Page(s) 100017

    Abstract: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has emerged as a global pandemic. Seroprevalence surveillance is urgently needed to estimate and monitor the growing burden of coronavirus disease 2019 (COVID-19). The aim of this study is to ... ...

    Abstract Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has emerged as a global pandemic. Seroprevalence surveillance is urgently needed to estimate and monitor the growing burden of coronavirus disease 2019 (COVID-19). The aim of this study is to estimate the seroprevalence of SARS-CoV-2 infection among worker population residing in areas under lockdown in Kuwait and investigated their risk factors associated with a positive status. From April 18 to May 10, 2020 a randomly sampled, worker-based survey was conducted in 7 governorate in Kuwait (Ahmadi, Farwaniya, Hawali, Asma, Jahra, and Mubarak Alkabeer) among 10,256 workers. SARS-CoV-2 IgG and IgM antibodies was assessed using a commercially point-of-care lateral flow immunoassay (Biozek medical COVID-19 IgG/IgM Rapid Test Cassette). We estimated an overall seroprevalence (IgG or IgM positive) of 5.9% (95% CI: 5.4-6.3). Notably, SARS-CoV-2 seropositivity was significantly higher in males (6.2%) than females (1.9%) (
    Language English
    Publishing date 2021-05-03
    Publishing country England
    Document type Journal Article
    ISSN 2667-0380
    ISSN (online) 2667-0380
    DOI 10.1016/j.jcvp.2021.100017
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Baseline assessment of patient safety culture in public hospitals in Kuwait.

    Ali, Hayfaa / Ibrahem, Samaa Zenhom / Al Mudaf, Buthaina / Al Fadalah, Talal / Jamal, Diana / El-Jardali, Fadi

    BMC health services research

    2018  Volume 18, Issue 1, Page(s) 158

    MeSH term(s) Cross-Sectional Studies ; Female ; Health Care Surveys ; Health Services Research ; Hospitals, Public/organization & administration ; Humans ; Interprofessional Relations ; Kuwait ; Male ; Medical Staff, Hospital/psychology ; Medical Staff, Hospital/statistics & numerical data ; Organizational Culture ; Patient Safety ; Safety Management
    Language English
    Publishing date 2018-03-06
    Publishing country England
    Document type Journal Article
    ISSN 1472-6963
    ISSN (online) 1472-6963
    DOI 10.1186/s12913-018-2960-x
    Database MEDical Literature Analysis and Retrieval System OnLINE

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