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Medical staff wears protective face masks and gowns when working in wards for highly infectious diseases such as SARS. But how can a virus be prevented from transferring from the clothing into the public? And how can we ensure that medical staff will not contract a virus as the clothing is removed? An "air shower" facility currently under development by the Department of Building and Construction (BC) may provide a solution.
The malfunctioning of the U-shaped water trap (U-trap), identified as one of the causes for the environmental transmission of the SARS virus at Amoy Gardens, has drawn public attention to the performance of the existing sewage and drainage systems in buildings.