Wilford, Sara Helen, McBride, Neil, Brooks, Laurence, Eke, Damian Okaibedi, Akintoye, Simisola, Owoseni, Adebowale, Leach, Tonii, Flick, Catherine, Fisk, Malcolm ORCID: 0000-0003-1602-8393 et al (2021) The Digital Network of Networks: Regulatory Risk and Policy Challenges of Vaccine Passports. European Journal of Risk Regulation, 12 (2). pp. 393-403. ISSN 1867-299X