About: Natural ventilation for reducing airborne infection in hospitals

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An Entity of Type : schema:ScholarlyArticle, within Data Space : wasabi.inria.fr associated with source document(s)

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Natural ventilation for reducing airborne infection in hospitals
Creator	Ching, Patricia Li, Yuguo Qian, Hua Ching, W Seto, W Sun, H
Source	Elsevier; Medline; PMC
abstract	High ventilation rate is shown to be effective for reducing cross-infection risk of airborne diseases in hospitals and isolation rooms. Natural ventilation can deliver much higher ventilation rate than mechanical ventilation in an energy-efficient manner. This paper reports a field measurement of naturally ventilated hospital wards in Hong Kong and presents a possibility of using natural ventilation for infection control in hospital wards. Our measurements showed that natural ventilation could achieve high ventilation rates especially when both the windows and the doors were open in a ward. The highest ventilation rate recorded in our study was 69.0 ACH. The airflow pattern and the airflow direction were found to be unstable in some measurements with large openings. Mechanical fans were installed in a ward window to create a negative pressure difference. Measurements showed that the negative pressure difference was negligible with large openings but the overall airflow was controlled in the expected direction. When all the openings were closed and the exhaust fans were turned on, a reasonable negative pressure was created although the air temperature was uncontrolled. The high ventilation rate provided by natural ventilation can reduce cross-infection of airborne diseases, and thus it is recommended for consideration of use in appropriate hospital wards for infection control. Our results also demonstrated a possibility of converting an existing ward using natural ventilation to a temporary isolation room through installing mechanical exhaust fans.
has issue date	2009-07-23(xsd:dateTime)
bibo:doi	10.1016/j.buildenv.2009.07.011
bibo:pmid	32288008
has license	no-cc
sha1sum (hex)	5b0440b7d2a6ed9c1c93a2f7f928dc1cb2a856ea
schema:url	https://doi.org/10.1016/j.buildenv.2009.07.011
resource representing a document's title	Natural ventilation for reducing airborne infection in hospitals
has PubMed Central identifier	PMC7115780
has PubMed identifier	32288008
schema:publication	Build Environ
resource representing a document's body	covid:5b0440b7d2a6ed9c1c93a2f7f928dc1cb2a856ea#body_text
is schema:about of	named entity 'windows' named entity 'higher' named entity 'paper' named entity 'reducing' named entity 'AIRBORNE' named entity 'EFFICIENT' named entity 'INFECTION RISK' named entity 'CROSS' named entity 'PRESENTS' named entity 'AIRBORNE' named entity 'CLOSED' named entity 'REPORTS' named entity 'LARGE' named entity 'DIFFERENCE' named entity 'INFECTION' covid:arg/5b0440b7d2a6ed9c1c93a2f7f928dc1cb2a856ea named entity 'CREATE' named entity 'MEASUREMENTS' named entity 'MECHANICAL' named entity 'USING' named entity 'FOUND' named entity 'DIRECTION' named entity 'OPEN' named entity 'HOSPITALS' named entity 'REDUCING' named entity 'NATURAL VENTILATION' named entity 'HOSPITAL WARDS' named entity 'IN HOSPITAL' named entity 'RISK OF' named entity 'DOORS' named entity 'DELIVER' named entity 'HONG KONG' named entity 'INFECTION CONTROL' named entity 'MECHANICAL VENTILATION' named entity 'REDUCING' named entity 'UNCONTROLLED' named entity 'NATURAL VENTILATION' named entity 'CONTROLLED' named entity 'UNSTABLE' named entity 'HIGH' named entity 'EFFECTIVE' named entity 'BUT' named entity 'MUCH' named entity 'ROOMS' named entity 'EXHAUST' named entity 'WINDOWS' named entity 'ACH' named entity 'HOSPITALS' named entity 'MEASUREMENT' named entity 'ENERGY' named entity 'DISEASES' named entity 'STUDY' named entity 'ISOLATION' named entity 'TURNED' named entity 'FIELD' named entity 'RECORDED' named entity 'CREATED' named entity 'WARD' named entity 'POSSIBILITY OF' named entity 'NEGATIVE PRESSURE' named entity 'OUR' named entity 'OVERALL' named entity 'AIR TEMPERATURE' named entity 'FANS' named entity 'EXPECTED' named entity 'NEGLIGIBLE' named entity 'WINDOW' named entity 'VENTILATED' named entity 'AIRFLOW' named entity 'HIGHEST' named entity 'AIRFLOW PATTERN' named entity 'PAPER' named entity 'VENTILATION RATE' named entity 'HIGHER' named entity 'ventilation' named entity 'airborne'

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