A hospital is renovating a wing that is adjacent to a high-risk patient care area for immunocompromised patients. To MOST effectively control the hazard of construction dust and airborne pathogens from entering the patient care area, which of the following should be the primary intervention?
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A
Requiring construction workers to wear N95 respirators at all times.
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B
Installing temporary, sealed, hard-wall barriers and creating negative air pressure in the construction zone with HEPA-filtered exhaust.
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C
Increasing the cleaning frequency of the adjacent patient care area and placing adhesive floor mats at the entrances.
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D
Providing surgical masks for patients to wear when they are outside of their rooms.