Using citizens’ data securely in research: COVID-19 data donation projects show how it can be done

Smartphones, smartwatches and associated apps are constantly improving their ability to record and store personal health data. The initial proposal for the EU law for a European Health Data Space in 2022 would allow depersonalized health and wellness data to be shared without explicit consent in the future. There has been understandable pushback against it—not just from data protection officers.