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From December 2019 researchers based in China have priority access to incident disease data (from registries and health insurance) and second resurvey data. These data should become available to the rest of the world later in 2020. An additional year's followup data has also been released.

The China Kadoorie Biobank (CKB) Data Access System was launched in September 2015 and enables bona fide researchers to apply to use the CKB resource for health-related research. Since the launch over 450 researchers from around the world have registered to use the resource and over 130 datasets delivered.

The CKB Data Access System is a secure online portal that allows researcher to register to use the resource and complete project proposals and data requests. The initial data release comprised of data collected from 512,000 individuals at the baseline survey, including demographics, socio-economic status, lifestyle behaviours, medical history and physical measurements.In May 2018 cause specific mortality and first resurvey data also became available to users in China, this was later released to the rest of the world in September 2018.  Further information about the resurvey and long-term follow up data.

Information about the CKB Data Access Policy and Procedures is available on in the Data Access Section of the CKB website.