Investigation of varicella outbreak among residents and healthcare workers in psychiatric hospital- Saudi Arabia.

Outbreak is an infection control challenge in health care setting especially when it occurs in a special setting as psychiatric hospitals. Investigate and control an outbreak of varicella among patients and healthcare workers (HCWs) in a psychiatric hospital of Saudi Arabia. A multidisciplinary team of different specialties assigned to assess the situation, confirm the diagnosis, identify the causes and put an action plan to deal with such a situation.