• Haiqian Chen, Leiyu Shi, Yuyao Zhang, Xiaohan Wang, and Gang Sun.
• Department of Health Management, School of Health Management, Southern Medical University, Guangzhou, Guangdong, 510515, PR China.
• Globalization Health. 2021 Feb 22; 17 (1): 22.

BackgroundThe study aimed to analyze the effectiveness of COVID-19 strategies adopted by China, Japan, Singapore, and South Korea.MethodsWe extracted publicly available data from various official websites, summarized the strategies implemented in these four countries, and assessed the effectiveness of the prevention and control measures adopted by these countries.ResultsAs of October 28, 2020, the growth of daily new confirmed cases has stabilized in China, Singapore, and South Korea. In Japan, the daily new confirmed cases increased sharply since it lifted a state of emergency, but case-fatality maintains at a lower level. The growth of total cases is near stagnant in China and Singapore, with a case-fatality of 5.39 and 0.05% respectively. The case-fatality rate between Japan and South Korea is identical at 1.76%, however, Japan's growth rate of cases has increased more rapidly than South Korea.ConclusionThis study found that China, Japan, Singapore, and South Korea accessed the situation within their own borders and implemented different intervention strategies to curb the spread of COVID-19 and maintain lower rates of case-fatality. China, Singapore, and South Korea adopted the containment strategy, while Japan adopted the mitigation strategy. Although Japan's case-fatality maintained at a low level, daily new cases increased faster than the other three countries. This result indicated that a mitigation strategy could be inferior to a containment strategy.

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