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Effective vaccine allocation strategies, balancing economy with infection control against COVID-19 in Japan.
Sunohara, Satoshi; Asakura, Toshiaki; Kimura, Takashi; Ozawa, Shun; Oshima, Satoshi; Yamauchi, Daigo; Tamakoshi, Akiko.
  • Sunohara S; School of Medicine, Hokkaido University, Sapporo, Japan.
  • Asakura T; School of Medicine, Hokkaido University, Sapporo, Japan.
  • Kimura T; Public Health, Faculty of Medicine, Hokkaido University, Sapporo, Japan.
  • Ozawa S; School of Medicine, Hokkaido University, Sapporo, Japan.
  • Oshima S; School of Medicine, Hokkaido University, Sapporo, Japan.
  • Yamauchi D; School of Medicine, Hokkaido University, Sapporo, Japan.
  • Tamakoshi A; Public Health, Faculty of Medicine, Hokkaido University, Sapporo, Japan.
PLoS One ; 16(9): e0257107, 2021.
Article in English | MEDLINE | ID: covidwho-1394556
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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.
Subject(s)

Full text: Available Collection: International databases Database: MEDLINE Main subject: Algorithms / Vaccination / Infection Control / Models, Economic / COVID-19 Vaccines / SARS-CoV-2 / COVID-19 Type of study: Experimental Studies Topics: Vaccines Limits: Adolescent / Adult / Aged / Humans / Middle aged / Young adult Country/Region as subject: Asia Language: English Journal: PLoS One Journal subject: Science / Medicine Year: 2021 Document Type: Article Affiliation country: Journal.pone.0257107

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Algorithms / Vaccination / Infection Control / Models, Economic / COVID-19 Vaccines / SARS-CoV-2 / COVID-19 Type of study: Experimental Studies Topics: Vaccines Limits: Adolescent / Adult / Aged / Humans / Middle aged / Young adult Country/Region as subject: Asia Language: English Journal: PLoS One Journal subject: Science / Medicine Year: 2021 Document Type: Article Affiliation country: Journal.pone.0257107