Georgia's Health Alert Network (GAHAN)

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

han health color coding

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

Health Advisory: Advises of a condition or an event that may not be a medical or public health emergency but conveys important information regarding a public health event. Advisories 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. 

DPH Health Alert Network Messages

Health Alert

Download this pdf file. Health Alert: Meningococcal Disease

Posted: February 16, 2024

Download this pdf file. Health Alert: Measles (Rubeola)

Posted: January 17, 2024

DPH Health Update Network Messages

Health Update

Download this pdf file. Health Update: Varicella

Posted: April 1, 2024


If you are interested in viewing HANs distributed by CDC, please click the following link

Page last updated 4/1/24