Yet this is exactly the type of information that could be most useful to Ministries of Health and City Authorities, especially if it contains updated information with high geographic resolution on the spread of the virus.
Mobile technologies are primed to fulfill this need. As use of devices grows exponentially, telecom operators can passively collect broad sets of anonymized information about mobile phone users. When aggregated, this data can yield almost real-time insights on population movements with high geographic granularity.