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AuthorJeremijenko, A.
AuthorChemaitelly, H.
AuthorAyoub, H.H.
AuthorAlishaq, M.
AuthorAbou-Samra, A.-B.
AuthorAl Ajmi, J.A.A.A.
AuthorAl Ansari, N.A.A.
AuthorAl Kanaani, Z.
AuthorAl Khal, A.
AuthorAl Kuwari, E.
AuthorAl-Mohammed, A.
AuthorAl Molawi, N.H.A.
AuthorAl Naomi, H.M.
AuthorButt, A.A.
AuthorCoyle, P.
AuthorEl Kahlout, R.A.
AuthorGillani, I.
AuthorKaleeckal, A.H.
AuthorMasoodi, N.A.
AuthorThomas, A.G.
AuthorNafady-Hego, H.
AuthorLatif, A.N.
AuthorShaik, R.M.
AuthorYounes, N.B.M.
AuthorAbdul Rahim, H.F.
AuthorYassine, H.M.
AuthorAl Kuwari, M.G.
AuthorAl Romaihi, H.E.
AuthorAl-Thani, M.H.
AuthorBertollini, R.
AuthorAbu-Raddad, L.J.
Available date2023-09-18T09:52:26Z
Publication Date2021
Publication NameEmerging Infectious Diseases
ResourceScopus
URIhttp://dx.doi.org/10.3201/eid2705.204365
URIhttp://hdl.handle.net/10576/47648
AbstractWe investigated what proportion of the population acquired severe acute respiratory syndrome coronavirus 2 (SARSCoV- 2) infection and whether the herd immunity threshold has been reached in 10 communities in Qatar. The study included 4,970 participants during June 21-September 9, 2020. Antibodies against SARS-CoV-2 were detected by using an electrochemiluminescence immunoassay. Seropositivity ranged from 54.9% (95% CI 50.2%-59.4%) to 83.8% (95% CI 79.1%-87.7%) across communities and showed a pooled mean of 66.1% (95% CI 61.5%-70.6%). A range of other epidemiologic measures indicated that active infection is rare, with limited if any sustainable infection transmission for clusters to occur. Only 5 infections were ever severe and 1 was critical in these young communities; infection severity rate of 0.2% (95% CI 0.1%-0.4%). Specifi c communities in Qatar have or nearly reached herd immunity for SARS-CoV-2 infection: 65%-70% of the population has been infected.
SponsorThis study was supported by the Hamad Medical Corporation, Ministry of Public Health, and the Biomedical Research Program and the Biostatistics, Epidemiology, and Biomathematics Research Core, both at
Languageen
PublisherCenters for Disease Control and Prevention (CDC)
SubjectNasopharyngeal Swabs
Serologic Tests
COVID-19
TitleHerd immunity against severe acute respiratory syndrome coronavirus 2 infection in 10 communities, qatar
TypeArticle
Pagination1343-1352
Issue Number5
Volume Number27
dc.accessType Open Access


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