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BEIJING, Feb. 27 (Xinhua) -- Big data technologies have helped with China's nationwide fight against the novel coronavirus in fields including monitoring analysis, virus tracing, treatment and prevention, and resource allocation.

Big data is shining a light on monitoring population flows and trends, which are of crucial importance in the epidemic control and prevention.

In southwest China's Chongqing municipality, a big data map has been used for citizens to search if there are any confirmed patients nearby, as well as their activity trails. This technology helps citizens take the necessary precautions in their daily lives.

In north China's Tianjin, local authorities have put into use a registry system to collect information from people who return to the city to facilitate further big data analysis.

China's research institutions and enterprises are also capitalizing on big data through mining, analyzing and extracting useful information to fuel medical research, policymaking and social governance.