?:abstract
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To provide a theoretical basis for China, Japan and South Korea for effective joint defense and control the COVID-19 epidemic in Japan and South Korea is analyzed and the trend of development is predicted Statistics and calculation of new cases per day, cumulative number of confirmed cases and mortality the epidemic in Japan and South Korea were made, and the line chart was drawn The SEIR model of infectious disease dynamics was constructed to predict the development trend of epidemic situation The newly diagnosed cases of COVID-19 in Japan are likely to increase in the near future and the newly diagnosed cases in South Korea are generally decreasing The results of the SEIR model are in good agreement with the real data of the current epidemic situation in Japan and South Korea The epidemic in Japan and South Korea will have inflection points in May 3rd and March 12th, 2020 respectively The time when the epidemic is expected to be basically controlled is approximately September 16th and June 11th, 2020 respectively South Korea has reached the inflection point of the epidemic, but it will be difficult to achieve the zero state of new cases in the future However, the epidemic in Japan is still in the early and middle stages of the transmission stage, and the number of confirmed cases may continue to rise At present, the two governments should continue to strengthen epidemic prevention and control, and China, Japan and South Korea should effectively carry out joint prevention and control, especially to strengthen the management of asymptomatic infection and the control of imported cases
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