Stay with your community: Bridges between clusters trigger expansion of COVID-19

• Yukio Ohsawa ,

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: ohsawa@sys.t.u-tokyo.ac.jp

  Affiliation Department of Systems Innovation, School of Engineering, The University of Tokyo, Tokyo, Japan

  https://orcid.org/0000-0003-2943-2547

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• Masaharu Tsubokura

  Roles Investigation, Project administration, Writing – original draft, Writing – review & editing

  Affiliation Department of Radiation Health Management, Fukushima Medical University School of Medicine, Fukushima, Japan

  https://orcid.org/0000-0001-8027-202X

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