Respiratory infections can be acquired from exposure to pathogens contained either in droplets or droplet nuclei. Once these materials are brought indoors into a health-care facility by any of a number of vehicles (e.g., people, air currents, water, construction materials, and equipment), the attendant microorganisms can proliferate in various indoor ecological niches and, if subsequently disbursed into the air, serve as a source for airborne health-care associated infections. Modes of Transmission of Airborne DiseasesĪ variety of airborne infections in susceptible hosts can result from exposures to clinically significant microorganisms released into the air when environmental reservoirs (i.e., soil, water, dust, and decaying organic matter) are disturbed. Summary of ventilation specifications in selected areasġ. Strategy for managing TB patients and preventing airborne transmission in operating room Example of AII room with anteroom and neutral anteroom Example of negative-pressure room control for AII Example of positive-pressure room control for protection from airborne environmental microbes
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