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Ventilation Methods against Indoor Aerosol Infection of COVID-19 in Japan

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Title: Ventilation Methods against Indoor Aerosol Infection of COVID-19 in Japan
Authors: Hayashi, Motoya Browse this author →KAKEN DB
Yanagi, U. Browse this author
Honma, Yoshinori Browse this author
Yamamoto, Yoshihide Browse this author
Ogata, Masayuki Browse this author
Kikuta, Koki Browse this author →KAKEN DB
Kagi, Naoki Browse this author
Tanabe, Shin-ichi Browse this author
Keywords: COVID-19
aerosol transmission
aerosol infection
air current
Issue Date: 10-Jan-2023
Publisher: MDPI
Journal Title: Atmosphere
Volume: 14
Issue: 1
Start Page: 150
Publisher DOI: 10.3390/atmos14010150
Abstract: The importance of effective ventilation as one of the measures against COVID-19 is widely recognized worldwide. In Japan, at the early stage of the pandemic, in March 2020, an official announcement was made about basic ventilation measures against COVID-19. WHO also used the term long-range aerosol or long-range airborne transmission for the first time in December 2021. Based on the aerosol infection control measures before 2021 by the Japanese government, we conducted experiments on methods related to partition placement as an element of effective ventilation methods. In July 2022, the governmental subcommittee on Novel Coronavirus Disease Control provided an emergent proposal about effective ventilation methods to prevent two types of aerosol infection; infection by large aerosol on the air current and infection by small floating aerosol diffusion in a room. They also showed the way of setting droplet prevention partitions, which do not block off ventilation based on this investigation's results.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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