The NHS contact tracing app fell foul of privacy concerns. But did they have the right idea?

The NHS’ original contact tracing app fell foul of privacy concerns, and could not be made to work without Apple and Google’s support. But, Lucie White (Leibniz University Hannover) argues, based on a forthcoming paper with Philippe van Basshuysen (LUH and LSE), the NHS’ strategy could have allowed for faster tracing and thus more effective epidemic mitigation.