1. The Key to China’s Success——
Political commitment and multi-sectoral cooperation
Regulation of salt iodine fortification for IDD elimination, August 1994
Setting national salt iodine fortification plan for IDD elimination and then implementing
Capacity and commitment of the salt industry to adequately iodise salt as well as government quality assurance system
High quality surveillance system

2. High quality IDD surveillance system
Annual Salt Household Consumption Monitoring
Frequent, well-coordinated, and high quality surveillance can provides accurate information on the IDD situation and the impact of the program.
It forms basis for policy development, guide program implementation, and enable modification.
Regular IDD Survey
High Risk Area Monitoring
Lab Quality Control
Chinese IDD Surveillance System