Article ; Online: Comparison of the second and third waves of the COVID-19 pandemic in South Korea: Importance of early public health intervention.
2021 Volume 104, Page(s) 742–745
Abstract: ... and third waves (P < 0.01). In comparison with the second wave, the proportion of local clusters (24.8 ... Objectives: To compare epidemiologic features of the second and third waves of the coronavirus ... disease 2019 (COVID-19) pandemic in South Korea.: Methods: Nationwide COVID-19 data were collected ...
| Abstract | Objectives: To compare epidemiologic features of the second and third waves of the coronavirus disease 2019 (COVID-19) pandemic in South Korea. Methods: Nationwide COVID-19 data were collected between 6 May and 30 December 2020. The degree of social activity was estimated using an Internet search trend analysis program for leisure-related keywords, including 'eating-out', 'trip' and 'get directions' (transportation). Demographics, transmission chains, case fatality rates, social activity levels and public health responses were compared between the second (13 August-18 September 2020) and third (4 November 2020-present) waves. Results: In comparison with the second wave, the third wave was characterized by delayed strengthening of social distancing policies (3 vs. 15 days), longer duration (36 vs. >56 days) and a higher case fatality rate (0.91% vs. 1.26%). There were significant differences in transmission chains between the second and third waves (P < 0.01). In comparison with the second wave, the proportion of local clusters (24.8% vs. 45.7%) was lower in the third wave, and personal contact transmission (38.5% vs. 25.9%) and unknown routes of transmission (23.5% vs. 20.8%) were higher in the third wave. Conclusion: Early and timely interventions with strengthened social distancing policies should be implemented to suppress and control the COVID-19 pandemic effectively. |
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| MeSH term(s) | Adolescent ; Adult ; Aged ; Aged, 80 and over ; COVID-19/epidemiology ; COVID-19/prevention & control ; Child ; Child, Preschool ; Female ; Humans ; Infant ; Infant, Newborn ; Male ; Middle Aged ; Physical Distancing ; Public Health ; Republic of Korea/epidemiology ; SARS-CoV-2 ; Young Adult | |||||
| Language | English | |||||
| Publishing date | 2021-02-05 | |||||
| Publishing country | Canada | |||||
| Document type | Comparative Study ; Journal Article | |||||
| ZDB-ID | 1331197-9 | |||||
| ISSN | 1878-3511 ; 1201-9712 | |||||
| ISSN (online) | 1878-3511 | |||||
| ISSN | 1201-9712 | |||||
| DOI | 10.1016/j.ijid.2021.02.004 | |||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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