Abstract
In a survey of 160 hospital employees, those employed in an area where the air supply was potentially contaminated with the exhaust air from other hospital areas had a higher prevalence of certain work-related symptoms than em ployees from other areas. There was little difference between the two groups in overall health. These findings have implications for building intolerance, and larger studies are needed to investigate the role of ventilation system design, especially as it relates to the potential for contamination, in the cause of this syndrome.
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