Trends in COVID-19 waves and governmental interventions in Japan (2020–2023) (IMAGE)

Waseda University

Trends in COVID-19 waves and governmental interventions in Japan (2020–2023)

Caption

Panel A shows the number of confirmed COVID-19 cases (in tens of thousands) across eight epidemic waves in Japan from January 2020 to June 2023. Panel B illustrates the timing and extent of government declarations: State of emergency (SoE, blue) and semi-state of Emergency (SoPE, green), indicated by the number of affected prefectures. The shaded area marks the study period. Peaks in intervention measures generally correspond to rises in case numbers.

Credit

Rong Fu from the Faculty of Commerce, Waseda University, Japan

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