A great deal of COVID-19-relevant information is potentially available in the digital world.

  • Users of social networks voluntarily provide extensive personal information, usually including demographics (age, sex) and location;
  • Users of mobile networks provide information necessary to receiving and paying for the service, and also provide location information.
  • Consumers who seek health information might voluntarily provide additional information.

Location data from mobile devices has been an area of intense interest for governments in the past few weeks. The mobile network knows your location, whether you are in your home country or roaming internationally.

Many countries have worked with the providers of communication services and infrastructure to progressively improve this location information, primarily as a means of improving the accuracy with which mobile users can call for help in the event of emergencies (see Marcus, 2010; Marcus, 2014).

Privacy challenges

However, use of personally identifiable data is restricted in most democratic, developed countries. The European Union implements the General Data Protection Regulation (GDPR) (European Union, 2016), which is based on the recognition of individual privacy as a human right. That the EU has adopted a coherent overall horizontal framework for privacy is generally positive; however, the framework is relatively inflexible. This lack of flexibility becomes obvious now, when a nimble response is needed to a deep threat to the lives and safety of Europeans.

The use of data that is not personally identifiable is in general unrestricted, and several legal instruments at EU level actively encourage the making available of non-personal data and public sector information as a means of promoting economic efficiency (European Union, 2018 and 2019).

or commercial use of personally identifiable data, the GDPR puts a number of common-sense rules in place. The user must be told how the data will be used, to which third parties it will be provided and how they will use the data, how long data will be retained, and more.

The GDPR’s scope does not cover use of personally identifiable data collected by governments for purposes of law enforcement, which is a member-state competence.

Common practice in most developed democratic countries involves some combination of these elements:

  • Data that is not personally identifiable (including anonymised data), or non-personal data, is subject to few if any restrictions.
  • In order to collect data that is personally identifiable but that contains no content, public authorities must meet a fairly modest standard of proof of need. This tends to be the case for call data records (an indication as to who has been called from a telephone or internet device) and for user location data.
  • In order to collect data that is personally identifiable and that contains actual content, a fairly high standard of proof of need must be met. Typically, an independent third party such as a magistrate must be convinced that there are valid grounds to suspect the individual, for instance of a past or likely future crime.
COVID-19 Other


Scott Marcus