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CAHAN San Diego

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Welcome to the public-access website for CAHAN, the California Health Alert Network for San Diego County.

CAHAN San Diego Mission Statement:

To facilitate confidential communication between public health and safety agencies and the San Diego County medical community to ensure rapid identification of and response to unusual disease events, including known or suspected disease clusters, outbreaks, and possible acts of bioterrorism.

CAHAN San Diego brochure

CAHAN San Diego Confidentiality:

CAHAN San Diego alerts may contain information on investigations in progress and/or diagnoses that may not yet be confirmed. Access to alerts is therefore restricted to specific medical and public health personnel in San Diego County. Once received by an approved CAHAN San Diego participant, CAHAN San Diego alerts should not be further distributed. Local medical professionals should subscribe individually to receive CAHAN San Diego alerts by using the online subscription feature provided on this website.


Services offered by CAHAN San Diego:

 Public Health Resources: 


Contact Us: 

California Health Alert Network (CAHAN) San Diego
County of San Diego, Health and Human Services Agency
Emergency Medical Services Branch MS: S-555
P.O. Box 85222 San Diego, CA 92186-5222

Phone: (619) 285-6429
After hours phone: (858) 565-5255
FAX: (619) 285-6531
E-mail: Contact Us by E-mail