A field indoor air measurement of SARS-CoV-2 in the patient rooms of the largest hospital in Iran.
Identifieur interne : 000A37 ( 2020/Analysis ); précédent : 000A36; suivant : 000A38A field indoor air measurement of SARS-CoV-2 in the patient rooms of the largest hospital in Iran.
Auteurs : Sasan Faridi [Iran] ; Sadegh Niazi [Australie] ; Kaveh Sadeghi ; Kazem Naddafi [Iran] ; Jila Yavarian ; Mansour Shamsipour [Iran] ; Nazanin Zahra Shafiei Jandaghi ; Khosro Sadeghniiat [Iran] ; Ramin Nabizadeh [Iran] ; Masud Yunesian [Iran] ; Fatemeh Momeniha [Iran] ; Adel Mokamel [Iran] ; Mohammad Sadegh Hassanvand [Iran] ; Talat Mokhtariazad [Iran]Source :
- The Science of the total environment [ 1879-1026 ] ; 2020.
Abstract
The coronavirus disease 2019 (COVID-19) emerged in Wuhan city, China, in late 2019 and has rapidly spread throughout the world. The major route of transmission of SARS-CoV-2 is in contention, with the airborne route a likely transmission pathway for carrying the virus within indoor environments. Until now, there has been no evidence for detection of airborne severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and this may have implication for the potential spread of the COVID-19. We investigated the air of patient rooms with confirmed COVID-19 in the largest hospital in Iran, on March 17, 2020. To collect the SARS-CoV-2 particles, ten air samples were collected into the sterile standard midget impingers containing 20 mL DMEM with 100 μg/mL streptomycin, 100 U/mL penicillin and 1% antifoam reagent for 1 h. Besides, indoor particle number concentrations, CO2, relative humidity and temperature were recorded throughout the sampling duration. Viral RNA was extracted from samples taken from the impingers and Reverse-Transcription PCR (RT-PCR) was applied to confirm the positivity of collected samples based on the virus genome sequence. Fortunately, in this study all air samples which were collected 2 to 5 m from the patients' beds with confirmed COVID-19 were negative. Despite we indicated that all air samples were negative, however, we suggest further in vivo experiments should be conducted using actual patient cough, sneeze and breath aerosols in order to show the possibility of generation of the airborne size carrier aerosols and the viability fraction of the embedded virus in those carrier aerosols.
DOI: 10.1016/j.scitotenv.2020.138401
PubMed: 32283308
Affiliations:
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Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.</nlm:affiliation><country xml:lang="fr">Iran</country><wicri:regionArea>Centre for Air Pollution Research (CAPR), Institute for Environmental Research (IER), Tehran University of Medical Sciences, Tehran, Iran; Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran</wicri:regionArea><wicri:noRegion>Tehran</wicri:noRegion></affiliation></author><author><name sortKey="Yunesian, Masud" sort="Yunesian, Masud" uniqKey="Yunesian M" first="Masud" last="Yunesian">Masud Yunesian</name><affiliation wicri:level="1"><nlm:affiliation>Centre for Air Pollution Research (CAPR), Institute for Environmental Research (IER), Tehran University of Medical Sciences, Tehran, Iran; Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.</nlm:affiliation><country xml:lang="fr">Iran</country><wicri:regionArea>Centre for Air Pollution Research (CAPR), Institute for Environmental Research (IER), Tehran University of Medical Sciences, Tehran, Iran; 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Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.</nlm:affiliation><country xml:lang="fr">Iran</country><wicri:regionArea>Centre for Air Pollution Research (CAPR), Institute for Environmental Research (IER), Tehran University of Medical Sciences, Tehran, Iran; Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran</wicri:regionArea><wicri:noRegion>Tehran</wicri:noRegion></affiliation></author><author><name sortKey="Niazi, Sadegh" sort="Niazi, Sadegh" uniqKey="Niazi S" first="Sadegh" last="Niazi">Sadegh Niazi</name><affiliation wicri:level="1"><nlm:affiliation>International Laboratory for Air Quality and Health, School of Earth and Atmospheric Sciences, Science and Engineering Faculty, Queensland University of Technology (QUT), Brisbane, Queensland, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>International Laboratory for Air Quality and Health, School of Earth and Atmospheric Sciences, Science and Engineering Faculty, Queensland University of Technology (QUT), Brisbane, Queensland</wicri:regionArea><wicri:noRegion>Queensland</wicri:noRegion></affiliation></author><author><name sortKey="Sadeghi, Kaveh" sort="Sadeghi, Kaveh" uniqKey="Sadeghi K" first="Kaveh" last="Sadeghi">Kaveh Sadeghi</name><affiliation><nlm:affiliation>Department of Virology, School of Public Health, Tehran University of Medical Sciences.</nlm:affiliation><wicri:noCountry code="subField">Tehran University of Medical Sciences</wicri:noCountry></affiliation></author><author><name sortKey="Naddafi, Kazem" sort="Naddafi, Kazem" uniqKey="Naddafi K" first="Kazem" last="Naddafi">Kazem Naddafi</name><affiliation wicri:level="1"><nlm:affiliation>Centre for Air Pollution Research (CAPR), Institute for Environmental Research (IER), Tehran University of Medical Sciences, Tehran, Iran; Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.</nlm:affiliation><country xml:lang="fr">Iran</country><wicri:regionArea>Centre for Air Pollution Research (CAPR), Institute for Environmental Research (IER), Tehran University of Medical Sciences, Tehran, Iran; Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran</wicri:regionArea><wicri:noRegion>Tehran</wicri:noRegion></affiliation></author><author><name sortKey="Yavarian, Jila" sort="Yavarian, Jila" uniqKey="Yavarian J" first="Jila" last="Yavarian">Jila Yavarian</name><affiliation><nlm:affiliation>Department of Virology, School of Public Health, Tehran University of Medical Sciences.</nlm:affiliation><wicri:noCountry code="subField">Tehran University of Medical Sciences</wicri:noCountry></affiliation></author><author><name sortKey="Shamsipour, Mansour" sort="Shamsipour, Mansour" uniqKey="Shamsipour M" first="Mansour" last="Shamsipour">Mansour Shamsipour</name><affiliation wicri:level="1"><nlm:affiliation>Department of Research Methodology and Data Analysis, Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran.</nlm:affiliation><country xml:lang="fr">Iran</country><wicri:regionArea>Department of Research Methodology and Data Analysis, Institute for Environmental Research, Tehran University of Medical Sciences, Tehran</wicri:regionArea><wicri:noRegion>Tehran</wicri:noRegion></affiliation></author><author><name sortKey="Jandaghi, Nazanin Zahra Shafiei" sort="Jandaghi, Nazanin Zahra Shafiei" uniqKey="Jandaghi N" first="Nazanin Zahra Shafiei" last="Jandaghi">Nazanin Zahra Shafiei Jandaghi</name><affiliation><nlm:affiliation>Department of Virology, School of Public Health, Tehran University of Medical Sciences.</nlm:affiliation><wicri:noCountry code="subField">Tehran University of Medical Sciences</wicri:noCountry></affiliation></author><author><name sortKey="Sadeghniiat, Khosro" sort="Sadeghniiat, Khosro" uniqKey="Sadeghniiat K" first="Khosro" last="Sadeghniiat">Khosro Sadeghniiat</name><affiliation wicri:level="1"><nlm:affiliation>Occupational Sleep Research Center, Baharloo Hospital, Tehran University of Medical Sciences, Tehran, Iran.</nlm:affiliation><country xml:lang="fr">Iran</country><wicri:regionArea>Occupational Sleep Research Center, Baharloo Hospital, Tehran University of Medical Sciences, Tehran</wicri:regionArea><wicri:noRegion>Tehran</wicri:noRegion></affiliation></author><author><name sortKey="Nabizadeh, Ramin" sort="Nabizadeh, Ramin" uniqKey="Nabizadeh R" first="Ramin" last="Nabizadeh">Ramin Nabizadeh</name><affiliation wicri:level="1"><nlm:affiliation>Centre for Air Pollution Research (CAPR), Institute for Environmental Research (IER), Tehran University of Medical Sciences, Tehran, Iran; Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.</nlm:affiliation><country xml:lang="fr">Iran</country><wicri:regionArea>Centre for Air Pollution Research (CAPR), Institute for Environmental Research (IER), Tehran University of Medical Sciences, Tehran, Iran; Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran</wicri:regionArea><wicri:noRegion>Tehran</wicri:noRegion></affiliation></author><author><name sortKey="Yunesian, Masud" sort="Yunesian, Masud" uniqKey="Yunesian M" first="Masud" last="Yunesian">Masud Yunesian</name><affiliation wicri:level="1"><nlm:affiliation>Centre for Air Pollution Research (CAPR), Institute for Environmental Research (IER), Tehran University of Medical Sciences, Tehran, Iran; Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.</nlm:affiliation><country xml:lang="fr">Iran</country><wicri:regionArea>Centre for Air Pollution Research (CAPR), Institute for Environmental Research (IER), Tehran University of Medical Sciences, Tehran, Iran; Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran</wicri:regionArea><wicri:noRegion>Tehran</wicri:noRegion></affiliation></author><author><name sortKey="Momeniha, Fatemeh" sort="Momeniha, Fatemeh" uniqKey="Momeniha F" first="Fatemeh" last="Momeniha">Fatemeh Momeniha</name><affiliation wicri:level="1"><nlm:affiliation>Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran.</nlm:affiliation><country xml:lang="fr">Iran</country><wicri:regionArea>Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran</wicri:regionArea><wicri:noRegion>Tehran</wicri:noRegion></affiliation></author><author><name sortKey="Mokamel, Adel" sort="Mokamel, Adel" uniqKey="Mokamel A" first="Adel" last="Mokamel">Adel Mokamel</name><affiliation wicri:level="1"><nlm:affiliation>Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.</nlm:affiliation><country xml:lang="fr">Iran</country><wicri:regionArea>Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran</wicri:regionArea><wicri:noRegion>Tehran</wicri:noRegion></affiliation></author><author><name sortKey="Hassanvand, Mohammad Sadegh" sort="Hassanvand, Mohammad Sadegh" uniqKey="Hassanvand M" first="Mohammad Sadegh" last="Hassanvand">Mohammad Sadegh Hassanvand</name><affiliation wicri:level="1"><nlm:affiliation>Centre for Air Pollution Research (CAPR), Institute for Environmental Research (IER), Tehran University of Medical Sciences, Tehran, Iran. Electronic address: Hassanvand@tums.ac.ir.</nlm:affiliation><country xml:lang="fr">Iran</country><wicri:regionArea>Centre for Air Pollution Research (CAPR), Institute for Environmental Research (IER), Tehran University of Medical Sciences, Tehran</wicri:regionArea><wicri:noRegion>Tehran</wicri:noRegion></affiliation></author><author><name sortKey="Mokhtariazad, Talat" sort="Mokhtariazad, Talat" uniqKey="Mokhtariazad T" first="Talat" last="Mokhtariazad">Talat Mokhtariazad</name><affiliation wicri:level="1"><nlm:affiliation>Department of Virology, School of Public Health, Tehran University of Medical Sciences. Electronic address: mokhtari@tums.ac.ir.</nlm:affiliation><country wicri:rule="url">Iran</country></affiliation></author></analytic><series><title level="j">The Science of the total environment</title><idno type="eISSN">1879-1026</idno><imprint><date when="2020" type="published">2020</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The coronavirus disease 2019 (COVID-19) emerged in Wuhan city, China, in late 2019 and has rapidly spread throughout the world. The major route of transmission of SARS-CoV-2 is in contention, with the airborne route a likely transmission pathway for carrying the virus within indoor environments. Until now, there has been no evidence for detection of airborne severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and this may have implication for the potential spread of the COVID-19. We investigated the air of patient rooms with confirmed COVID-19 in the largest hospital in Iran, on March 17, 2020. To collect the SARS-CoV-2 particles, ten air samples were collected into the sterile standard midget impingers containing 20 mL DMEM with 100 μg/mL streptomycin, 100 U/mL penicillin and 1% antifoam reagent for 1 h. Besides, indoor particle number concentrations, CO<sub>2</sub>, relative humidity and temperature were recorded throughout the sampling duration. Viral RNA was extracted from samples taken from the impingers and Reverse-Transcription PCR (RT-PCR) was applied to confirm the positivity of collected samples based on the virus genome sequence. Fortunately, in this study all air samples which were collected 2 to 5 m from the patients' beds with confirmed COVID-19 were negative. Despite we indicated that all air samples were negative, however, we suggest further in vivo experiments should be conducted using actual patient cough, sneeze and breath aerosols in order to show the possibility of generation of the airborne size carrier aerosols and the viability fraction of the embedded virus in those carrier aerosols.</div></front></TEI><affiliations><list><country><li>Australie</li><li>Iran</li></country></list><tree><noCountry><name sortKey="Jandaghi, Nazanin Zahra Shafiei" sort="Jandaghi, Nazanin Zahra Shafiei" uniqKey="Jandaghi N" first="Nazanin Zahra Shafiei" last="Jandaghi">Nazanin Zahra Shafiei Jandaghi</name><name sortKey="Sadeghi, Kaveh" sort="Sadeghi, Kaveh" uniqKey="Sadeghi K" first="Kaveh" last="Sadeghi">Kaveh Sadeghi</name><name sortKey="Yavarian, Jila" sort="Yavarian, Jila" uniqKey="Yavarian J" first="Jila" last="Yavarian">Jila Yavarian</name></noCountry><country name="Iran"><noRegion><name sortKey="Faridi, Sasan" sort="Faridi, Sasan" uniqKey="Faridi S" first="Sasan" last="Faridi">Sasan Faridi</name></noRegion><name sortKey="Hassanvand, Mohammad Sadegh" sort="Hassanvand, Mohammad Sadegh" uniqKey="Hassanvand M" first="Mohammad Sadegh" last="Hassanvand">Mohammad Sadegh Hassanvand</name><name sortKey="Mokamel, Adel" sort="Mokamel, Adel" uniqKey="Mokamel A" first="Adel" last="Mokamel">Adel Mokamel</name><name sortKey="Mokhtariazad, Talat" sort="Mokhtariazad, Talat" uniqKey="Mokhtariazad T" first="Talat" last="Mokhtariazad">Talat Mokhtariazad</name><name sortKey="Momeniha, Fatemeh" sort="Momeniha, Fatemeh" uniqKey="Momeniha F" first="Fatemeh" last="Momeniha">Fatemeh Momeniha</name><name sortKey="Nabizadeh, Ramin" sort="Nabizadeh, Ramin" uniqKey="Nabizadeh R" first="Ramin" last="Nabizadeh">Ramin Nabizadeh</name><name sortKey="Naddafi, Kazem" sort="Naddafi, Kazem" uniqKey="Naddafi K" first="Kazem" last="Naddafi">Kazem Naddafi</name><name sortKey="Sadeghniiat, Khosro" sort="Sadeghniiat, Khosro" uniqKey="Sadeghniiat K" first="Khosro" last="Sadeghniiat">Khosro Sadeghniiat</name><name sortKey="Shamsipour, Mansour" sort="Shamsipour, Mansour" uniqKey="Shamsipour M" first="Mansour" last="Shamsipour">Mansour Shamsipour</name><name sortKey="Yunesian, Masud" sort="Yunesian, Masud" uniqKey="Yunesian M" first="Masud" last="Yunesian">Masud Yunesian</name></country><country name="Australie"><noRegion><name sortKey="Niazi, Sadegh" sort="Niazi, Sadegh" uniqKey="Niazi S" first="Sadegh" last="Niazi">Sadegh Niazi</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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