Statistical Estimation of Effects of Implemented Government Policies on COVID-19 Situation in South Korea

Since the outbreak of novel SARS-COV-2, each country has implemented diverse policies to mitigate and suppress the spread of the virus. However, no systematic evaluation of these policies in their alleviation of the pandemic has been done. We investigate the impact of five indices derived from 12 po...

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Bibliographic Details
Published in:International journal of environmental research and public health 2021-02, Vol.18 (4), p.2144
Main Authors: Heo, Gyujin, Apio, Catherine, Han, Kyulhee, Goo, Taewan, Chung, Hye Won, Kim, Taehyun, Kim, Hakyong, Ko, Yeonghyeon, Lee, Doeun, Lim, Jisun, Park, Taesung
Format: Article
Language:English
Subjects:
Contact tracing
Coronaviruses
COVID-19
COVID-19 - prevention & control
COVID-19 diagnostic tests
Datasets
Disease control
Disease transmission
Epidemics
Government
Health Policy
Humans
Infections
Metropolitan areas
Nightclubs
Pandemics
Public information
Public policy
Republic of Korea
Severe acute respiratory syndrome coronavirus 2
Social distancing
Viruses
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Summary:Since the outbreak of novel SARS-COV-2, each country has implemented diverse policies to mitigate and suppress the spread of the virus. However, no systematic evaluation of these policies in their alleviation of the pandemic has been done. We investigate the impact of five indices derived from 12 policies in the Oxford COVID-19 Government Response Tracker dataset and the Korean government's index, which is the social distancing level implemented by the Korean government in response to the changing pandemic situation. We employed segmented Poisson model for this analysis. In conclusion, health and the Korean government indices are most consistently effective (with negative coefficients), while the restriction and stringency indexes are mainly effective with lagging (1~10 days), as intuitively daily confirmed cases of a given day is affected by the policies implemented days before, which shows that a period of time is required before the impact of some policies can be observed. The health index demonstrates the importance of public information campaign, testing policy and contact tracing, while the government index shows the importance of social distancing guidelines in mitigating the spread of the virus. These results imply the important roles of these polices in mitigation of the spread of COVID-19 disease.
ISSN:1660-4601
1661-7827
1660-4601
DOI:10.3390/ijerph18042144