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Dynamics of the COVID-19 epidemic in the post-vaccination period in Korea: a rapid assessment / 한국역학회지
Epidemiology and Health ; : e2021040-2021.
Article in English | WPRIM | ID: wpr-890601
ABSTRACT
OBJECTIVES@#Coronavirus disease 2019 (COVID-19) has had a tremendous impact on public health and socioeconomic conditions globally. Although non-pharmaceutical interventions (NPIs) such as social distancing effectively reduced the incidence of COVID-19, especially in Korea, demand for vaccination has increased to minimize the social costs of NPIs. This study estimated the potential benefits of COVID-19 vaccination in Korea. @*METHODS@#A mathematical model with vaccinated–susceptible–latent–infectious–recovered compartments was used to simulate the COVID-19 epidemic. The compartments were stratified into age groups of 0-19 years, 20-59 years, and 60 years or older. Based on the Korea Disease Control and Prevention Agency national vaccination plan for the second quarter of 2021, announced on March 15, we developed vaccination scenarios (with 150,000 dose/d and 100% compliance as the main scenario). Comparing scenarios without vaccination or with higher/lower vaccination rates and compliance, we estimated the numbers of COVID-19 cases that will be prevented by vaccination. @*RESULTS@#The results projected 203,135 cases within a year after April 2021 without vaccination, which would be reduced to 71,248 (64.9% decrease) by vaccination. Supposing a vaccination rate of 150,000 dose/d and 100% compliance, social distancing interventions for those aged 20 or more can be retracted after January 1, 2022. @*CONCLUSIONS@#We expect COVID-19 vaccination to be effective in Korea. Health authorities should minimize delays in vaccination and vaccine avoidance to maximize the effectiveness of vaccination and end social distancing early.
Full text: Available Index: WPRIM (Western Pacific) Language: English Journal: Epidemiology and Health Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: English Journal: Epidemiology and Health Year: 2021 Type: Article