South Korea’s policy of testing, tracing and treating without lockdowns has been widely lauded. Some attribute this to South Korea’s having dealt with previous epidemics such as Sars and Mers. At the roots of South Korea’s success against Covid-19 are a well-funded and efficient system of delivering public services.
https://www.theguardian.com/commentisfree/2020/apr/11/south-korea-beating-coronavirus-citizens-state-testing