A University-Led Contact Tracing Program Response to a COVID-19 Outbreak Among Students in Georgia, February-March 2021
Few reports have described how university programs have controlled COVID-19 outbreaks. Emory University established a case investigation and contact tracing program in June 2020 to identify and mitigate transmission of SARS-CoV-2 in the Emory community. In February 2021, this program identified a su...
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| Vydané v: | Public health reports (1974) Ročník 137; číslo 2_suppl; s. 61S |
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| Hlavní autori: | , , , , , , , , , , |
| Médium: | Journal Article |
| Jazyk: | English |
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United States
01.11.2022
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| ISSN: | 1468-2877, 1468-2877 |
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| Abstract | Few reports have described how university programs have controlled COVID-19 outbreaks. Emory University established a case investigation and contact tracing program in June 2020 to identify and mitigate transmission of SARS-CoV-2 in the Emory community. In February 2021, this program identified a surge in COVID-19 cases. In this case study, we present details of outbreak investigation, construction of transmission networks to assess clustering and identify groups for targeted testing, and program quality metrics demonstrating the efficiency of case investigation and contact tracing, which helped bring the surge under control. During February 10-March 5, 2021, Emory University identified 265 COVID-19 cases confirmed by nucleic acid testing in saliva or nasopharyngeal samples. Most students with COVID-19 were undergraduates (95%) and were affiliated with Greek life organizations (70%); 41% lived on campus. Network analysis identified 1 epidemiologically linked cluster of 198 people. Nearly all students diagnosed with COVID-19 (96%) were interviewed the same day as their positive test result. Of 340 close contacts, 90% were traced and 89% were tested. The median time from contact interview to first test was 2 days (interquartile range, 0-6 days); 43% received a positive test result during their quarantine. The surge was considered under control within 17 days, after which new cases were no longer epidemiologically linked. Early detection through systematic testing protocols and rapid and near-complete contact tracing, paired with isolation and quarantine measures, helped to contain the surge. Our approach emphasizes the importance of early preparation of adequate outbreak response infrastructure and staff to implement interventions appropriately and consistently during a pandemic. |
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| AbstractList | Few reports have described how university programs have controlled COVID-19 outbreaks. Emory University established a case investigation and contact tracing program in June 2020 to identify and mitigate transmission of SARS-CoV-2 in the Emory community. In February 2021, this program identified a surge in COVID-19 cases. In this case study, we present details of outbreak investigation, construction of transmission networks to assess clustering and identify groups for targeted testing, and program quality metrics demonstrating the efficiency of case investigation and contact tracing, which helped bring the surge under control. During February 10-March 5, 2021, Emory University identified 265 COVID-19 cases confirmed by nucleic acid testing in saliva or nasopharyngeal samples. Most students with COVID-19 were undergraduates (95%) and were affiliated with Greek life organizations (70%); 41% lived on campus. Network analysis identified 1 epidemiologically linked cluster of 198 people. Nearly all students diagnosed with COVID-19 (96%) were interviewed the same day as their positive test result. Of 340 close contacts, 90% were traced and 89% were tested. The median time from contact interview to first test was 2 days (interquartile range, 0-6 days); 43% received a positive test result during their quarantine. The surge was considered under control within 17 days, after which new cases were no longer epidemiologically linked. Early detection through systematic testing protocols and rapid and near-complete contact tracing, paired with isolation and quarantine measures, helped to contain the surge. Our approach emphasizes the importance of early preparation of adequate outbreak response infrastructure and staff to implement interventions appropriately and consistently during a pandemic.Few reports have described how university programs have controlled COVID-19 outbreaks. Emory University established a case investigation and contact tracing program in June 2020 to identify and mitigate transmission of SARS-CoV-2 in the Emory community. In February 2021, this program identified a surge in COVID-19 cases. In this case study, we present details of outbreak investigation, construction of transmission networks to assess clustering and identify groups for targeted testing, and program quality metrics demonstrating the efficiency of case investigation and contact tracing, which helped bring the surge under control. During February 10-March 5, 2021, Emory University identified 265 COVID-19 cases confirmed by nucleic acid testing in saliva or nasopharyngeal samples. Most students with COVID-19 were undergraduates (95%) and were affiliated with Greek life organizations (70%); 41% lived on campus. Network analysis identified 1 epidemiologically linked cluster of 198 people. Nearly all students diagnosed with COVID-19 (96%) were interviewed the same day as their positive test result. Of 340 close contacts, 90% were traced and 89% were tested. The median time from contact interview to first test was 2 days (interquartile range, 0-6 days); 43% received a positive test result during their quarantine. The surge was considered under control within 17 days, after which new cases were no longer epidemiologically linked. Early detection through systematic testing protocols and rapid and near-complete contact tracing, paired with isolation and quarantine measures, helped to contain the surge. Our approach emphasizes the importance of early preparation of adequate outbreak response infrastructure and staff to implement interventions appropriately and consistently during a pandemic. Few reports have described how university programs have controlled COVID-19 outbreaks. Emory University established a case investigation and contact tracing program in June 2020 to identify and mitigate transmission of SARS-CoV-2 in the Emory community. In February 2021, this program identified a surge in COVID-19 cases. In this case study, we present details of outbreak investigation, construction of transmission networks to assess clustering and identify groups for targeted testing, and program quality metrics demonstrating the efficiency of case investigation and contact tracing, which helped bring the surge under control. During February 10-March 5, 2021, Emory University identified 265 COVID-19 cases confirmed by nucleic acid testing in saliva or nasopharyngeal samples. Most students with COVID-19 were undergraduates (95%) and were affiliated with Greek life organizations (70%); 41% lived on campus. Network analysis identified 1 epidemiologically linked cluster of 198 people. Nearly all students diagnosed with COVID-19 (96%) were interviewed the same day as their positive test result. Of 340 close contacts, 90% were traced and 89% were tested. The median time from contact interview to first test was 2 days (interquartile range, 0-6 days); 43% received a positive test result during their quarantine. The surge was considered under control within 17 days, after which new cases were no longer epidemiologically linked. Early detection through systematic testing protocols and rapid and near-complete contact tracing, paired with isolation and quarantine measures, helped to contain the surge. Our approach emphasizes the importance of early preparation of adequate outbreak response infrastructure and staff to implement interventions appropriately and consistently during a pandemic. |
| Author | Rothschild, Elizabeth P Clark, David Gelaye, Enku Shartar, Samuel Harrington, Kristin R V Isakov, Alexander Cegielski, J Peter Chamberlain, Allison Gandhi, Neel R Rabinovitz, Sharon R Siira, Meron R |
| Author_xml | – sequence: 1 givenname: Kristin R V orcidid: 0000-0002-9306-4980 surname: Harrington fullname: Harrington, Kristin R V organization: Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA, USA – sequence: 2 givenname: Meron R surname: Siira fullname: Siira, Meron R organization: Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA, USA – sequence: 3 givenname: Elizabeth P surname: Rothschild fullname: Rothschild, Elizabeth P organization: Student Health Services, Emory University, Atlanta, GA, USA – sequence: 4 givenname: Sharon R surname: Rabinovitz fullname: Rabinovitz, Sharon R organization: Student Health Services, Emory University, Atlanta, GA, USA – sequence: 5 givenname: Samuel surname: Shartar fullname: Shartar, Samuel organization: Office of Critical Event Preparedness and Response, Emory University, Atlanta, GA, USA – sequence: 6 givenname: David surname: Clark fullname: Clark, David organization: Division of Campus Life, Emory University, Atlanta, GA, USA – sequence: 7 givenname: Alexander surname: Isakov fullname: Isakov, Alexander organization: Office of Critical Event Preparedness and Response, Emory University, Atlanta, GA, USA – sequence: 8 givenname: Allison surname: Chamberlain fullname: Chamberlain, Allison organization: Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA, USA – sequence: 9 givenname: Enku surname: Gelaye fullname: Gelaye, Enku organization: Division of Campus Life, Emory University, Atlanta, GA, USA – sequence: 10 givenname: J Peter surname: Cegielski fullname: Cegielski, J Peter organization: Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA, USA – sequence: 11 givenname: Neel R surname: Gandhi fullname: Gandhi, Neel R organization: Division of Infectious Diseases, Department of Medicine, Emory School of Medicine, Emory University, Atlanta, GA, USA |
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| SubjectTerms | Contact Tracing COVID-19 - epidemiology COVID-19 - prevention & control Disease Outbreaks - prevention & control Georgia - epidemiology Humans SARS-CoV-2 Students Universities |
| Title | A University-Led Contact Tracing Program Response to a COVID-19 Outbreak Among Students in Georgia, February-March 2021 |
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