• Michigan's public health has advanced with CHRONICLE, an EHR-based chronic disease surveillance system launched in 2019.

• Leveraging the Michigan Health Information Network (MiHIN), CHRONICLE collects real-time admission, discharge, and transfer (ADT) data, initially focusing on stroke and hypertension.

• By September 2022, it had captured 800 ADT messages daily, offering patient and trend analysis features.

• CHRONICLE is a system that surpasses traditional surveillance limitations, provides detailed, timely data, and enables patient-level linkage across systems, ensuring its effectiveness in chronic disease surveillance.

• Despite challenges like data quality and legal barriers, CHRONICLE is continuously enhanced.

• This commitment to improvement instills confidence in its ability to include more chronic conditions and provide comprehensive disease surveillance.

• CHRONICLE's future is promising and plans involve expanding data sources and integrating conditions like asthma and diabetes. 

• This expansion will support better Michigan disease management and health equity, fostering optimism about the system's potential impact.

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