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1
Human Research Study of Particulate Propagation Distance From Human Respiratory Function
Reyes, Jonathan
;
Stiehl, Bernhard
;
Delgado, Juanpablo
;
Kinzel, Michael
;
Ahmed, Kareem
In: J Infect Dis (2022)
Abstract:
BACKGROUND: Airborne viral pathogens like severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) can be encapsulated and transmitted through liquid droplets/aerosols formed during human respiratory events. METHODS: The number and extent of droplets/aerosols at distances between 1 and 6 ft (0.305–1.829 m) for a participant wearing no face covering, a cotton single-layer cloth face covering, and a 3-layer disposable face covering were measured for defined speech and cough events. The data include planar particle imagery to illuminate emissions by a light-sheet and local aerosol/droplet probes taken with phase Doppler interferometry and an aerodynamic particle sizer. RESULTS: Without face coverings, droplets/aerosols were detected up to a maximum of 1.25 m (4.1ft ± 0.22–0.28 ft) during speech and up to 1.37 m (4.5ft ± 0.19–0.33 ft) while coughing. The cloth face covering reduced maximum axial distances to 0.61 m (2.0 ft ± 0.11–0.15 ft) for speech and to 0.67 m (2.2 ft ± 0.02–0.20 ft) while coughing. Using the disposable face covering, safe distance was reduced further to 0.15 m (0.50 ft ± 0.01–0.03 ft) measured for both emission scenarios. In addition, the use of face coverings was highly effective in reducing the count of expelled aerosols. CONCLUSIONS: The experimental study indicates that 0.914 m (3 ft) physical distancing with face coverings is equally as effective at reducing aerosol/droplet exposure as 1.829 m (6 ft) with no face covering.
Keyword:
Major Articles and Brief Reports
URL:
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9016420/
https://doi.org/10.1093/infdis/jiab609
http://www.ncbi.nlm.nih.gov/pubmed/35022781
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2
The effect of case nodes in problem-based learning on the length and quality of discussion: a 2x2 factorial study
Fong, Sheri FT
;
Sakai, Damon H
;
D’Eon, Marcel
...
In: Can Med Educ J (2022)
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3
Motivations Do Not Decrease Procrastination, So What Can We Do?
Kosheleva, Olga
;
Kreinovich, Vladik
;
Servin, Christian
In: Departmental Technical Reports (CS) (2022)
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4
Why Menzerath's Law?
Urenda, Julio
;
Kreinovich, Vladik
In: Departmental Technical Reports (CS) (2022)
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5
Exploring ideological messages in newspaper editorials and news reports on the first human gene-editing case ...
Nikitina, Jekaterina
. - : University of Salento, 2021
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6
Bilingual milestones in early language development. A part of the project: StarWords: study of parental report on words ...
Mieszkowska, Karolina
. - : Open Science Framework, 2021
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7
FONA corpus: Food & Nutrition Abstracts Multilingual corpus ...
Miranda-Escalada, Antonio
;
Gascó, Luis
;
Farré-Maduell, Eulàlia
. - : Zenodo, 2021
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8
FONA corpus: Food & Nutrition Abstracts Multilingual corpus ...
Miranda-Escalada, Antonio
;
Gascó, Luis
;
Farré-Maduell, Eulàlia
. - : Zenodo, 2021
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9
FONA corpus: Food & Nutrition Abstracts Multilingual corpus ...
Miranda-Escalada, Antonio
;
Gascó, Luis
;
Farré-Maduell, Eulàlia
. - : Zenodo, 2021
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10
Social Responsibility of Mining Companies at a Time of COVID-19: Dear Shareholders!
Irena Jindřichovská; Eva Eckert
In: Sustainability; Volume 14; Issue 1; Pages: 350 (2021)
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11
Successful endovascular coiling of infectious cerebral aneurysm following Staphylococcus haemolyticus endocarditis
Matsuzono, Kosuke
;
Ishiyama, Yusuke
;
Higaki, Ayuho
...
In: J Int Med Res (2021)
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12
Proactive changes in clinical practice as a result of the COVID‐19 pandemic: Survey on use of telepractice by Quebec speech‐language pathologists
Macoir, J.
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Desmarais, C.
;
Martel‐Sauvageau, V.
...
In: Int J Lang Commun Disord (2021)
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13
Becoming Scientists: Undergraduate Students' Literacy Activities in Laboratory Education
Giannotti, Allison
In: Doctoral Dissertations (2021)
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14
Anatomic and functional aspects of the tongue after frenectomy in twin: clinical cases report ; Aspectos anatômicos e funcionais da língua após frenectomia em gemelares: relato de casos clínicos
Rinaldi, Gabriela
;
Aleixo, Bárbara de Lavra Pinto
;
Carminatti, Mônica
...
In: Revista da Faculdade de Odontologia de Porto Alegre; Vol. 62 No. 2 (2021); 17-26 ; Revista da Faculdade de Odontologia de Porto Alegre; v. 62 n. 2 (2021); 17-26 ; 2177-0018 ; 0566-1854 (2021)
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15
Creating Shared Visions in Organizations – Taking an Organizational Learning and Knowledge Management Perspective
Kaiser, Alexander
;
Fahrenbach, Florian
;
Martinez, Hector
. - 2021
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16
Listener expectations and the perceptual accommodation of talker variability: A pre-registered replication
Luthra, Sahil
;
Saltzman, David
;
Myers, Emily B.
...
In: Atten Percept Psychophys (2021)
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17
A Case of Laryngeal Granulomas After Oral and Maxillofacial Surgery With Prolonged Intubation
Tsukamoto, Masanori
;
Taura, Shiori
;
Hitosugi, Takashi
...
In: Anesth Prog (2021)
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18
Face memory and face perception in autism
Stantić, Mirta
;
Ichijo, Eri
;
Catmur, Caroline
...
In: Autism (2021)
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19
Influence of Protective Face Coverings on the Speech Recognition of Cochlear Implant Patients
Vos, Teresa G.
;
Dillon, Margaret T.
;
Buss, Emily
...
In: Laryngoscope (2021)
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20
Clinical Effectiveness of the Queen Square Intensive Comprehensive Aphasia Service for Patients With Poststroke Aphasia
Leff, Alexander P.
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Nightingale, Sarah
;
Gooding, Beth
...
In: Stroke (2021)
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