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المؤلفPeter V., Coyle
المؤلفChemaitelly, Hiam
المؤلفBen Hadj Kacem, Mohamed Ali
المؤلفAbdulla Al Molawi, Naema Hassan
المؤلفEl Kahlout, Reham Awni
المؤلفGilliani, Imtiaz
المؤلفYounes, Nourah
المؤلفAl Anssari, Ghada Ali A.A.
المؤلفAl Kanaani, Zaina
المؤلفAl Khal, Abdullatif
المؤلفAl Kuwari, Einas
المؤلفButt, Adeel A.
المؤلفJeremijenko, Andrew
المؤلفKaleeckal, Anvar Hassan
المؤلفLatif, Ali Nizar
المؤلفShaik, Riyazuddin Mohammad
المؤلفAbdul Rahim, Hanan F.
المؤلفNasrallah, Gheyath K.
المؤلفYassine, Hadi M.
المؤلفAl Kuwari, Mohamed Ghaith
المؤلفAl Romaihi, Hamad Eid
المؤلفAl-Thani, Mohamed H.
المؤلفBertollini, Roberto
المؤلفAbu-Raddad, Laith J.
تاريخ الإتاحة2021-10-20T09:18:27Z
تاريخ النشر2021-06-25
اسم المنشورiScience
المعرّفhttp://dx.doi.org/10.1016/j.isci.2021.102646
الاقتباسCoyle, P. V., Chemaitelly, H., Kacem, M. A. B. H., Al Molawi, N. H. A., El Kahlout, R. A., Gilliani, I., ... & Abu-Raddad, L. J. (2021). SARS-CoV-2 seroprevalence in the urban population of Qatar: An analysis of antibody testing on a sample of 112,941 individuals. Iscience, 102646.
الرقم المعياري الدولي للكتاب25890042
معرّف المصادر الموحدhttps://www.sciencedirect.com/science/article/pii/S2589004221006143
معرّف المصادر الموحدhttp://hdl.handle.net/10576/24585
الملخصThe study objective was to the assess level of detectable severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antibodies in the urban population of Qatar. Antibody testing was performed on residual blood specimens for 112,941 individuals (∼10% of Qatar's urban population) attending for routine/other clinical care between May 12 and September 9, 2020. Seropositivity was 13.3% (95% confidence interval [CI] = 13.1–13.6%) and was independently associated with sex, age, nationality, clinical care encounter type, and testing date. Median optical density (antibody titer) among antibody-positive persons was 27.0 (range = 1.0–150.0), with higher values associated with age, nationality, clinical care encounter type, and testing date. Seropositivity by nationality was positively correlated with the likelihood of having higher antibody titers (Pearson correlation coefficient = 0.85; 95% CI = 0.47–0.96). Less than two in every 10 individuals in Qatar's urban population had detectable antibodies against SARS-CoV-2, suggesting this population is still far from herd immunity and at risk of subsequent infection waves. Higher antibody titer appears to be a biomarker of repeated exposures to the infection.
اللغةen
الناشرElsevier
الموضوعHealth informatics
Public health
Infection control in health technology
Immunology
العنوانSARS-CoV-2 seroprevalence in the urban population of Qatar: An analysis of antibody testing on a sample of 112,941 individuals
النوعArticle
رقم العدد6
رقم المجلد24
Open Access user License http://creativecommons.org/licenses/by/4.0/
dc.accessType Open Access


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