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Coronavirus Disease Outbreak in Call Center, South Korea.
Emerg Infect Dis. 2020 Aug; 26(8):1666-1670.EI

Abstract

We describe the epidemiology of a coronavirus disease (COVID-19) outbreak in a call center in South Korea. We obtained information on demographic characteristics by using standardized epidemiologic investigation forms. We performed descriptive analyses and reported the results as frequencies and proportions for categoric variables. Of 1,143 persons who were tested for COVID-19, a total of 97 (8.5%, 95% CI 7.0%-10.3%) had confirmed cases. Of these, 94 were working in an 11th-floor call center with 216 employees, translating to an attack rate of 43.5% (95% CI 36.9%-50.4%). The household secondary attack rate among symptomatic case-patients was 16.2% (95% CI 11.6%- 22.0%). Of the 97 persons with confirmed COVID-19, only 4 (1.9%) remained asymptomatic within 14 days of quarantine, and none of their household contacts acquired secondary infections. Extensive contact tracing, testing all contacts, and early quarantine blocked further transmission and might be effective for containing rapid outbreaks in crowded work settings.

Links

PMC Free PDF

Authors

Park SY
No affiliation info available
Kim YM
No affiliation info available
Yi S
No affiliation info available
Lee S
No affiliation info available
Na BJ
No affiliation info available
Kim CB
No affiliation info available
Kim JI
No affiliation info available
Kim HS
No affiliation info available
Kim YB
No affiliation info available
Park Y
No affiliation info available
Huh IS
No affiliation info available
Kim HK
No affiliation info available
Yoon HJ
No affiliation info available
Jang H
No affiliation info available
Kim K
No affiliation info available
Chang Y
No affiliation info available
Kim I
No affiliation info available
Lee H
No affiliation info available
Gwack J
No affiliation info available
Kim SS
No affiliation info available
Kim M
No affiliation info available
Kweon S
No affiliation info available
Choe YJ
No affiliation info available
Park O
No affiliation info available
Park YJ
No affiliation info available
Jeong EK
No affiliation info available

MeSH

BetacoronavirusCOVID-19COVID-19 TestingCall CentersClinical Laboratory TechniquesContact TracingCoronavirus InfectionsDisease OutbreaksFamily CharacteristicsFemaleHumansIncidenceMalePandemicsPneumonia, ViralQuarantineRepublic of KoreaReverse Transcriptase Polymerase Chain ReactionSARS-CoV-2Severity of Illness Index

Pub Type(s)

Journal Article

Language

eng

PubMed ID

32324530

Citation

Park, Shin Young, et al. "Coronavirus Disease Outbreak in Call Center, South Korea." Emerging Infectious Diseases, vol. 26, no. 8, 2020, pp. 1666-1670.
Park SY, Kim YM, Yi S, et al. Coronavirus Disease Outbreak in Call Center, South Korea. Emerg Infect Dis. 2020;26(8):1666-1670.
Park, S. Y., Kim, Y. M., Yi, S., Lee, S., Na, B. J., Kim, C. B., Kim, J. I., Kim, H. S., Kim, Y. B., Park, Y., Huh, I. S., Kim, H. K., Yoon, H. J., Jang, H., Kim, K., Chang, Y., Kim, I., Lee, H., Gwack, J., ... Jeong, E. K. (2020). Coronavirus Disease Outbreak in Call Center, South Korea. Emerging Infectious Diseases, 26(8), 1666-1670. https://doi.org/10.3201/eid2608.201274
Park SY, et al. Coronavirus Disease Outbreak in Call Center, South Korea. Emerg Infect Dis. 2020;26(8):1666-1670. PubMed PMID: 32324530.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Coronavirus Disease Outbreak in Call Center, South Korea. AU - Park,Shin Young, AU - Kim,Young-Man, AU - Yi,Seonju, AU - Lee,Sangeun, AU - Na,Baeg-Ju, AU - Kim,Chang Bo, AU - Kim,Jung-Il, AU - Kim,Hea Sook, AU - Kim,Young Bok, AU - Park,Yoojin, AU - Huh,In Sil, AU - Kim,Hye Kyung, AU - Yoon,Hyung Jun, AU - Jang,Hanaram, AU - Kim,Kyungnam, AU - Chang,Yeonhwa, AU - Kim,Inhye, AU - Lee,Hyeyoung, AU - Gwack,Jin, AU - Kim,Seong Sun, AU - Kim,Miyoung, AU - Kweon,Sanghui, AU - Choe,Young June, AU - Park,Ok, AU - Park,Young Joon, AU - Jeong,Eun Kyeong, Y1 - 2020/04/23/ PY - 2020/4/24/pubmed PY - 2020/7/30/medline PY - 2020/4/24/entrez KW - 2019 novel coronavirus disease KW - COVID-19 KW - SARS-CoV-2 KW - South Korea KW - call center KW - coronavirus disease KW - respiratory infections KW - severe acute respiratory syndrome coronavirus 2 KW - viruses KW - zoonoses SP - 1666 EP - 1670 JF - Emerging infectious diseases JO - Emerg Infect Dis VL - 26 IS - 8 N2 - We describe the epidemiology of a coronavirus disease (COVID-19) outbreak in a call center in South Korea. We obtained information on demographic characteristics by using standardized epidemiologic investigation forms. We performed descriptive analyses and reported the results as frequencies and proportions for categoric variables. Of 1,143 persons who were tested for COVID-19, a total of 97 (8.5%, 95% CI 7.0%-10.3%) had confirmed cases. Of these, 94 were working in an 11th-floor call center with 216 employees, translating to an attack rate of 43.5% (95% CI 36.9%-50.4%). The household secondary attack rate among symptomatic case-patients was 16.2% (95% CI 11.6%- 22.0%). Of the 97 persons with confirmed COVID-19, only 4 (1.9%) remained asymptomatic within 14 days of quarantine, and none of their household contacts acquired secondary infections. Extensive contact tracing, testing all contacts, and early quarantine blocked further transmission and might be effective for containing rapid outbreaks in crowded work settings. SN - 1080-6059 UR - https://www.unboundmedicine.com/medline/citation/32324530/Coronavirus_Disease_Outbreak_in_Call_Center_South_Korea_ DB - PRIME DP - Unbound Medicine ER -