The ABC considers how the proposed carrot-and-stick approach of vaccine passports might work, for example with the fully vaccinated exempt from state border closures or lockdowns; business given the all clear to remain open during lockdowns, but only for the fully vaccinated; or travel bans to apply only to the unvaccinated.

It moves on to consider whether this kind of conditional restriction would be legal.

NSWCCL President Pauline Wright told the ABC that Australia's powerful health and biosecurity laws gave governments the right to do this sort of thing. "At both state level and federal level, it is legal for the government to impose restrictions on people in times of health emergency," she said.

Read the full article: The COVID-19 'vaccine passport' is coming. Here's how it could work and how it's legal ABC 5 Aug '21