The California Department of Public Health (CDPHⁱ) manages the California Health Alert Network (CAHAN), which is designated as the official health emergency alerting system.

CAHAN is a secure notification system that facilitates collaboration, emergency planning, and communications for hospitals and healthcare providers, federal, state, local health departments, and other public health emergency partners.

• CAHAN Enrollment Letter
• CAHAN User Guide
• CAHAN Roles
• CDPH Presentation on CAHAN