Ariadne Labs has a great brief on how health care facilities in South Korea protected their workers.
Centralized triaging: efficient mobilization of finite resources across a region while providing the appropriate level of care in controlled settings
Hospital-level triaging: prevention of cross-contamination within the hospital while maintaining the integrity and functionality of the health system
Equipping and screening HCWs: application of stricter guidelines for PPE, screening, testing, and self-quarantine for HCWs
Limiting community spread: concurrent administration of robust testing, supportive contact tracing and self-quarantine, consistent monitoring, and public guidelines for social distancing
Adhering to the fundamentals: diligent compliance with basic public health principles