Establish the existence of an outbreak: The surveillance system and dashboard can monitor the real-time disease trends, detect abnormal case increases and promote early detection.

Verify the diagnosis: Laboratory Management Information System enables rapid sharing of investigation results among public health professionals.

Prepare for field work: Mobile data collection and mapping tools enhance the early case detection and identify the hotspot.

Construct a working case definition: Electronic case reporting system can update case definitions and extract real-time case related information.

Find case systematically and record information: Mobile application allows real-time case data entry, cast listing and improve data quality.

Perform descriptive epidemiology: Statistical software and GIS tools can generate epidemic curves, maps and demographic summary.

Develop hypothesis: IT enables combination of multiple datasets and to identify possible exposure sources and transmission routes.

Analytical studies to test hypotheses: Statistical software is used to perform case-control or cohort analysis.

Special studies: Data management platforms support advanced modeling and analysis involving multiple teams.

Implementation of control measures and follow-up: Digital contract tracing tools and SMS alert systems are used for case monitoring and early warning.

Communication: Interactive dashboards, automated reporting systems and online platforms enhance results sharing with all relevant stakeholders.