The Veterans Affairs Pittsburgh Healthcare System closed an intensive care unit recently after finding mold in a ventilation system. Technicians found the mold in an air handler during routine maintenance, and doctors at the hospital have not diagnosed any mold-related illnesses. The hospital is waiting on tests that will identify what type of mold the workers found. High-efficiency filters between the handler and hospital rooms are designed to keep out anything as large as a mold spore. The hospital closed the general medical ICU, along with a sleep lab and administrative offices that are part of the same ventilation system, as a precaution.
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