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Short-range exposure to airborne virus transmission and current guidelines
https://oist.repo.nii.ac.jp/records/2336
https://oist.repo.nii.ac.jp/records/2336c8e0c72e-1911-45c6-a0b4-758caaa28ab2
名前 / ファイル | ライセンス | アクション |
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Wang-2021-Short-range exposure to airborne vir (5.6 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-10-19 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Short-range exposure to airborne virus transmission and current guidelines | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | COVID-19 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | airborne | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | infectious disease | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | SARS-CoV-2 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | public health | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | EXPIRATORY DROPLETS | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | EVAPORATION | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | AIR | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | INFECTION | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者(英) |
Wang, Jietuo
× Wang, Jietuo× Alipour, Mobin× Soligo, Giovanni× Roccon, Alessio× De Paoli, Marco× Picano, Francesco× Soldati, Alfredo |
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書誌情報 |
en : Proceedings of the National Academy of Sciences 巻 118, 号 37, p. e2105279118, 発行日 2021-09-14 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | After the Spanish flu pandemic, it was apparent that airborne transmission was crucial to spreading virus contagion, and research responded by producing several fundamental works like the experiments of Duguid [J. P. Duguid, J. Hyg. 44, 6 (1946)] and the model of Wells [W. F. Wells, Am. J. Hyg. 20, 611–618 (1934)]. These seminal works have been pillars of past and current guidelines published by health organizations. However, in about one century, understanding of turbulent aerosol transport by jets and plumes has enormously progressed, and it is now time to use this body of developed knowledge. In this work, we use detailed experiments and accurate computationally intensive numerical simulations of droplet-laden turbulent puffs emitted during sneezes in a wide range of environmental conditions. We consider the same emission—number of drops, drop size distribution, and initial velocity—and we change environmental parameters such as temperature and humidity, and we observe strong variation in droplets’ evaporation or condensation in accordance with their local temperature and humidity microenvironment. We assume that 3% of the initial droplet volume is made of nonvolatile matter. Our systematic analysis confirms that droplets’ lifetime is always about one order of magnitude larger compared to previous predictions, in some cases up to 200 times. Finally, we have been able to produce original virus exposure maps, which can be a useful instrument for health scientists and practitioners to calibrate new guidelines to prevent short-range airborne disease transmission. | |||||
出版者 | ||||||
出版者 | National Academy of Sciences | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0027-8424 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1091-6490 | |||||
PubMed番号 | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | PMID | |||||
関連識別子 | info:pmid/34465564 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1073/pnas.2105279118 | |||||
権利 | ||||||
権利情報 | © 2021 The Author(s) | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.pnas.org/content/118/37/e2105279118 | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |