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Keeping the windows open on traditional NHS wards can dramatically reduce the risk of infection, say researchers.
The University of Leeds study suggests closing windows, for example to cut heating bills, increases the risk of infection fourfold.
The researchers used experiments and computer modelling to map the passage of air and germs through wards.
They say fitting household extractor fans to windows could maintain sufficient air flow in winter.
The study looked at air flow in traditional "Nightingale wards", built as open wards of around 30 beds with opening windows and named after Florence Nightingale, who set out the principles of ward design in the 19th Century.
http://www.bbc.co.uk/news/health-22269698
The University of Leeds study suggests closing windows, for example to cut heating bills, increases the risk of infection fourfold.
The researchers used experiments and computer modelling to map the passage of air and germs through wards.
They say fitting household extractor fans to windows could maintain sufficient air flow in winter.
The study looked at air flow in traditional "Nightingale wards", built as open wards of around 30 beds with opening windows and named after Florence Nightingale, who set out the principles of ward design in the 19th Century.
http://www.bbc.co.uk/news/health-22269698