https://www.adalovelaceinstitute.org/blog/examining-digital-covid-certificates-eu/
Examining the pros and cons of digital COVID certificates in the EU | Ada Lovelace Institute
Can an individualised data technology work in a public health context?
covid certificatesexamining
https://www.covidpasscertificate.com/
Vaccine & COVID passport certificates | Travel during pandemic
Sep 30, 2021 - The COVID Vaccine Passport or COVID certificate to travel, is a digital document that has been implemented by several countries as a new travel requirement.
vaccinecovidpassporttravel
https://cae-eco.fr/limpact-des-pass-sanitaires-sur-le-taux-de-vaccination-la-sante-et-leconomie
The effect of COVID certificates on vaccine uptake, health outcomes, and the economy - Conseil...
Conseil d'Analyse Economique
covid certificateseffect