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Seroprevalence of SARS-CoV-2 antibodies during the third wave of COVID-19 in the Seoul metropolitan area of Korea

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dc.contributor.authorYoon, K-
dc.contributor.authorKim, J-
dc.contributor.authorPeck, KR-
dc.contributor.authorKim, HS-
dc.contributor.authorLee, H-
dc.contributor.authorHwang, YS-
dc.contributor.authorLee, SY-
dc.contributor.authorCho, SI-
dc.contributor.authorLee, HJ-
dc.contributor.authorKim, YG-
dc.contributor.authorKim, B-
dc.contributor.authorLee, JW-
dc.contributor.authorKim, AR-
dc.contributor.authorDo, HN-
dc.contributor.authorKim, DH-
dc.date.accessioned2024-02-19T04:55:10Z-
dc.date.available2024-02-19T04:55:10Z-
dc.date.issued2022-
dc.identifier.urihttp://repository.ajou.ac.kr/handle/201003/32273-
dc.description.abstractOBJECTIVES: After the third wave of coronavirus disease 2019 (COVID-19), by mid-February 2021, approximately 0.16% of the Korean population was confirmed positive, which appeared to be among the lowest rates worldwide at that time. However, asymptomatic transmission is challenging for COVID-19 surveillance. Therefore, a community-based serosurvey of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection was conducted to understand the effectiveness of Korea's strong containment strategy. METHODS: We collected 5,002 residual sera samples from January 30 to March 3, 2021, from 265 medical facilities in Seoul, 346 in Gyeonggi Province, and 57 in Incheon. Sixty samples from tertiary institutions were excluded. We defined the sub-regions according to the addresses of the medical facilities where the specimens were collected. Elecsys Anti-SARS-CoV-2 was used for screening, and positivity was confirmed using the SARS-CoV-2 sVNT Kit. Prevalence was estimated using sampling weights and the Wilson score interval for a binomial proportion with a 95% confidence interval. RESULTS: Among the 4,942 specimens, 32 and 25 tested positive for COVID-19 in the screening and confirmatory tests, respectively. The overall crude prevalence of SARS-CoV-2 antibodies was 0.51%. The population-adjusted overall prevalence was 0.55% in women and 0.38% in men. The region-specific estimation was 0.67% and 0.30% in Gyeonggi Province and Seoul, respectively. No positive cases were detected in Incheon. CONCLUSIONS: The proportion of undetected cases in Korea remained low as of early 2021. Therefore, an infection control strategy with exhaustive tracing and widespread pre-emptive testing appears to be effective in containing community spread of COVID-19.-
dc.language.isoen-
dc.subject.MESHAntibodies, Viral-
dc.subject.MESHCOVID-19 Serological Testing-
dc.subject.MESHCOVID-19-
dc.subject.MESHFemale-
dc.subject.MESHHumans-
dc.subject.MESHSARS-CoV-2-
dc.subject.MESHSeoul-
dc.subject.MESHSeroepidemiologic Studies-
dc.titleSeroprevalence of SARS-CoV-2 antibodies during the third wave of COVID-19 in the Seoul metropolitan area of Korea-
dc.typeArticle-
dc.identifier.pmid36228670-
dc.identifier.urlhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC10106544-
dc.subject.keywordAsymptomatic states-
dc.subject.keywordCOVID-19 antibody testing-
dc.subject.keywordCumulative incidence-
dc.subject.keywordSeroepidemiologic studies-
dc.contributor.affiliatedAuthorLee, SY-
dc.type.localJournal Papers-
dc.identifier.doi10.4178/epih.e2022085-
dc.citation.titleEpidemiology and health-
dc.citation.volume44-
dc.citation.date2022-
dc.citation.startPagee2022085-
dc.citation.endPagee2022085-
dc.identifier.bibliographicCitationEpidemiology and health, 44. : e2022085-e2022085, 2022-
dc.identifier.eissn2092-7193-
dc.relation.journalidJ020927193-
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Preventive Medicine & Public Health
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