Georgia's Health Alert Network (GAHAN)

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Georgia’s Health Alert Network (GAHAN) is a secure web-based notification system used by the Georgia Department of Public Health (DPH) to quickly notify our key health care partners of disease clusters, outbreaks and other events of public health significance on a 24/7/365 basis. The GAHAN is intended for public health professionals such as the following: Epidemiologists, Physicians, Nurses, Physician Assistants, Pharmacists, Infection Preventionists, Hospitals, Long Term Care Facilities, Laboratories, First Responders, Healthcare Service Providers, State, Local, Tribal Emergency Management Agencies, and Law Enforcement.

Health Notification: Refers to the content of the health message, developed/distributed by DPH or CDC via email.

Categories of Health Alerts

Categories include Health Alert, Health Advisory, Health Update, and Health Info Service

Health Alert: The highest level of notification conveying the most urgent request for action, and usually refers to an immediate threat to the community, and may require that immediate action be taken.

Health Advisory: A condition or an event that may not be a medical or public health emergency but conveys important information regarding a public health event, and may not require immediate action.

Health Update: Provides updated information regarding an existing incident or situation (i.e., follow-up to a previous Alert or Advisory); unlikely to require immediate action.

Health Info Service: Does not require immediate action; provides general public health information. 

Health Alert

Health Alert: Confirmed Case of Measles - Posted February 23, 2026  (PDF, 191.99 KB)

Health Alert: Confirmed Case of Measles - Posted January 2026  (PDF, 190.21 KB)

Health Advisory

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Health Update

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Health Info Service

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If you are interested in viewing HANs distributed by CDC, please visit Health Alert Network (HAN) | CDC.

Page last updated 1/14/26