Airborne bacteria can be transported by dust.  This bacteria can infect the sinus, ear, lung, central nervous system, gastrointestinal tract, bone and skin.  This article from Healthcare Design discusses the importance of properly managing and monitoring dust during contruction.

During construction, it is important to track dust particles regularly with a particle counter to demonstrate that the dust control measures implemented during construction are working effectively to maintain acceptable indoor air quality for the workers, the staff, and the patients. If it is a renovation project, testing should be done before the construction begins to ensure the area is clean and to document the dust control standards.

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