According to a survey conducted in South Korea in 2020, about **** percent of respondents aged 16 to 19 said they had used the South Korean government's COVID-19 "self-quarantine safety protection app" and "self-diagnosis app." When entering the country, all travelers were required to install these two apps on their mobile phones to check their health status for two weeks after arriving in South Korea. The overall usage rate of these two apps reached about **** percent in 2020.
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Ministry of the Interior and Safety (South Korea). (March 23, 2021). Usage rate of the COVID-19 self-diagnosis and self-quarantine app in South Korea in 2020, by age group [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 31, 2026, from /statistics/1253062/south-korea-covid-19-self-diagnosis-and-self-quarantine-app-usage-by-age/
Ministry of the Interior and Safety (South Korea). "Usage rate of the COVID-19 self-diagnosis and self-quarantine app in South Korea in 2020, by age group." Chart. March 23, 2021. ÌÇÐÄÆƽâ°æ. Accessed July 31, 2026. /statistics/1253062/south-korea-covid-19-self-diagnosis-and-self-quarantine-app-usage-by-age/
Ministry of the Interior and Safety (South Korea). (2021). Usage rate of the COVID-19 self-diagnosis and self-quarantine app in South Korea in 2020, by age group. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 31, 2026. /statistics/1253062/south-korea-covid-19-self-diagnosis-and-self-quarantine-app-usage-by-age/
Ministry of the Interior and Safety (South Korea). "Usage Rate of The Covid-19 Self-diagnosis and Self-quarantine App in South Korea in 2020, by Age Group." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 23 Mar 2021, /statistics/1253062/south-korea-covid-19-self-diagnosis-and-self-quarantine-app-usage-by-age/
Ministry of the Interior and Safety (South Korea), Usage rate of the COVID-19 self-diagnosis and self-quarantine app in South Korea in 2020, by age group ÌÇÐÄÆƽâ°æ, /statistics/1253062/south-korea-covid-19-self-diagnosis-and-self-quarantine-app-usage-by-age/ (last visited July 31, 2026)
Usage rate of the COVID-19 self-diagnosis and self-quarantine app in South Korea in 2020, by age group [Graph], Ministry of the Interior and Safety (South Korea), March 23, 2021. [Online]. Available: /statistics/1253062/south-korea-covid-19-self-diagnosis-and-self-quarantine-app-usage-by-age/
