Browsing by Author "Ayoub, Houssein"
Now showing items 1-4 of 4
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Analyzing inherent biases in SARS-CoV-2 PCR and serological epidemiologic metrics
Makhoul, Monia; Abou-Hijleh, Farah; Seedat, Shaheen; Mumtaz, Ghina R.; Chemaitelly, Hiam; ... more authors ( springer nature , 2022 , Article)Background: Prospective observational data show that infected persons with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) remain polymerase chain reaction (PCR) positive for a prolonged duration, and that ... -
Evaluating chemiluminescent immunoassays for syphilis detection: A comparative analysis
Ahmed, Ismail; Younes, Nadin; Ayoub, Houssein; Nasrallah, Dana F.; Al-Emadi, Jawaher A.; ... more authors ( Elsevier , 2025 , Article)BackgroundSyphilis, caused by Treponema pallidum (TP), remains a significant global public health concern, with approximately 8 million new cases annually. Diagnosing syphilis is challenging due to its often-asymptomatic ... -
Evaluation of the mindray CL900i CLIA HIV Ag/Ab combo assay for sensitive and specific HIV screening compared to established methods.
K Nasrallah, Gheyath; Younes, Nadin; Khalid, Hadiya M; Al-Emadi, Jawaher A; Younes, Salma; ... more authors ( Springer Nature , 2024 , Article)Architect-HIV Ag/Ab combo chemiluminescence assay is globally recognized for its sensitivity but has a notable false-positive rate. In this study, we aim to evaluate the performance of a new cost-effective screening ... -
Introduction and expansion of the SARS-CoV-2 B.1.1.7 variant and reinfections in Qatar: A nationally representative cohort study
J. Abu-Raddad, Laith; Chemaitelly, Hiam; H. Ayoub, Houssein; Coyle, Peter; A. Malek, Joel; ... more authors ( Public Library of Science , 2021 , Article)Background The epidemiology of the SARS-CoV-2 B.1.1.7 (or Alpha) variant is insufficiently understood. This study’s objective was to describe the introduction and expansion of this variant in Qatar and to estimate the ...





