Preventing VZV Transmission in Healthcare Settings | Shingles (Herpes Zoster) - CDC

Infection control measures depend on whether the patient with herpes zoster is immunocompetent or immunocompromised. Healthcare professionals should also determine if the rash is localized or disseminated (appearance of lesions outside the primary or adjacent dermatomes).

In all cases, follow standard infection control precautions. Use the table below to determine if any additional infection control precautions are required. Infection control precautions are based on patient's immune status and rash localization.

Patient Immune Status Localized Herpes Zoster Disseminated Herpes Zoster
Immunocompetent Completely cover lesions and follow standard precautions until lesions are dry and scabbed. Airborne and contact precautions until lesions are dry and scabbed.
Immunocompromised Airborne and contact precautions until disseminated infection is ruled out.

After dissemination is ruled out, completely cover lesions and follow standard precautions until lesions are dry and scabbed.

 Airborne and contact precautions until lesions are dry and scabbed.

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