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Effective vaccine allocation strategies, balancing economy with infection control against COVID-19 in Japan

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Title: Effective vaccine allocation strategies, balancing economy with infection control against COVID-19 in Japan
Authors: Sunohara, Satoshi Browse this author
Asakura, Toshiaki Browse this author
Kimura, Takashi Browse this author
Ozawa, Shun Browse this author
Oshima, Satoshi Browse this author
Yamauchi, Daigo Browse this author
Tamakoshi, Akiko Browse this author →KAKEN DB
Issue Date: 2-Sep-2021
Publisher: PLOS
Journal Title: PLoS ONE
Volume: 16
Issue: 9
Start Page: e0257107
Publisher DOI: 10.1371/journal.pone.0257107
Abstract: Due to COVID-19, many countries including Japan have implemented a suspension of economic activities for infection control. It has contributed to reduce the transmission of COVID-19 but caused severe economic losses. Today, several promising vaccines have been developed and are already being distributed in some countries. Therefore, we evaluated various vaccine and intensive countermeasure strategies with constraint of economic loss using SEIR model to obtain knowledge of how to balance economy with infection control in Japan. Our main results were that the vaccination strategy that prioritized younger generation was better in terms of deaths when a linear relationship between lockdown intensity and acceptable economic loss was assumed. On the other hand, when a non-linearity relationship was introduced, implying that the strong lockdown with small economic loss was possible, the old first strategies were best in the settings of small basic reproduction number. These results indicated a high potential of remote work when prioritizing vaccination for the old generation. When focusing on only the old first strategies as the Japanese government has decided to do, the strategy vaccinating the young next to the old was superior to the others when a non-linear relationship was assumed due to sufficient reduction of contact with small economic loss.
Type: article
Appears in Collections:医学院・医学研究院 (Graduate School of Medicine / Faculty of Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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