Aspergillus spp. is a type of fungus that forms spores. It is normally found in soil, water, and decaying vegetation. In the hospital environment, the spores settle in some part of the ventilation system. Spores are also stirred up from construction and renovation. Additional sources of the fungal spores could be contaminated or wet wood, bird droppings in air ducts, or decaying fireproofing materials. The fungus causes pneumonia in a host with a weak or …showed first 75 words of 292 total…

…showed last 75 words of 292 total…would have special air filtration systems that direct air flow only in certain directions. The doors to these rooms would have vacuum seals and would have a higher pressure inside than outside. The end goal of the protected areas would be to increase air flow in the room to the point that the air becomes essentially sterile and to maintain a clean environment. The costs of implementing a "protected area" system may be prohibitively high.