China is using “big data, artificial intelligence, 5G technology, cloud computing and other technical services to help prevent and control the COVID-19 epidemic. Human rights experts claim however,  there is a lack of transparency and the Chinese government had credibility issues when it came to handling such data..

https://www.abc.net.au/news/2020-02-22/coronavirus-covid-19-china-quarantine-measures-questioned/11987900