Journal of Clinical Trials

Journal of Clinical Trials
Open Access

ISSN: 2167-0870

+44 7868 792050

Reiji Suda

Research Institute for Science Education Inc, Kyushu University, Kitabu, Kyoto, Japan

  • Research Article   
    Classification of the Infection Status of COVID-19 in 190 Countries
    Author(s): Takashi Odagaki* and Reiji Suda

    We propose a simple method to determine the infection rate from the time dependence of the daily confirmed new cases, in which the logarithm of the rate is fitted by piece-wise quadratic functions. Exploiting this method, we analyze the time dependence of the outbreak of COVID-19 in 190 countries around the world and determine the status of the outbreak in each country by the dependence of the infection rate on the number of new cases. We show that the infection status of each country can be completely classified into nine different states and that the infection status of countries succeeded in controlling COVID-19 implies the importance of the quarantine and self-isolation measure... View More»
    DOI: 10.35248/2167-0870.21.11.472

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