What PPE and precautions are typically required for suspected aerosolized biological agents in healthcare settings?

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Airborne transmission is the concern with suspected aerosolized agents, because tiny particles can linger in the air and be inhaled by healthcare workers beyond immediate contact. To address this, precautions include respiratory protection with an N95 respirator (or higher) or a powered air-purifying respirator, plus eye protection, gown, and gloves to cover potential contact with contamination. The room should be negative pressure to contain any escaped aerosols and protect other patients and staff; if such a room isn’t available, other engineering controls and strict isolation practices should be used. Surgical masks are not sufficient for aerosols, since they don’t filter small airborne particles or seal to the face, and merely standard or contact precautions do not prevent inhalation of aerosolized agents.