With the federal government extending international travel restrictions to June, Australians are paying close attention to the trans-Tasman travel bubble with New Zealand, with further announcements to be made on April 6th. However, as talks of international travel begin, the topic of digital COVID vaccine passports has come to light with some airlines such as Qantas proposing “a no jab, no fly” policy. Trials of the vaccine passport will roll out in April on Air New Zealand routes to Australia, as a way to ensure proof that a traveller has been vaccinated. However, how safe, and how effective are these digital vaccine passports? Joined us earlier was Professor Dave Parry- Head of the Department of Computer Science at Auckland University of Technology.