Ventilation and bacterial spread in hospital.
D000391:Air Microbiology; D003428:Cross Infection / Q000517:prevention & control*; D005374:Filtration; D006749:Hospital Design and Construction; D006801:Humans; D010357:Patient Isolators; D013203:Staphylococcal Infections / Q000517:prevention & control; D014691:Ventilation