https://www.reuters.com/article/us-health-coronavirus-eu-apps/eu-urges-voluntary-use-of-virus-tracing-apps-to-speed-recovery-from-pandemic-idUSKBN22P15H

The European Commission urged EU governments on Wednesday to use COVID-19 contact tracing apps on a voluntary basis as part of efforts to lift border restrictions and revive the European Union's tourism and travel industries.