How life might change for the unvaccinated

Life could be about to get a lot harder for unvaccinated people. Not only because of their potential exposure to the virus, but because they might be barred from full participation in society. Vaccine passports have already been introduced in a number of countries, and Australia could follow suit soon. So is that fair, is it legal, and what happens if you don't have one? Featured: Associate Professor Maria O'Sullivan, Monash University Law School