Big Data in Healthcare Market Statistics, Size, Share, Analysis and Projection, Application, and Region - Global Forecast to 2027 In October 2020, Wuhan Run He De Kang (RHDK) and Bianjie partnered to implement a blockchain technology-enabled “Epidemic Early Warning System” to help fight against the Covid-19 virus. Wuhan RHDK is a healthcare-focused Big Data firm established in 2017 to focus on creating advanced medical healthcare and safety risk management system.