I give it two weeks before it is all over the North Island.
I would like to see a hard border for the South Island to at least help keep the economy ticking over.
All freight via container on the trains on to the ferry or tractor trailers dumped on to the ferry and a SI truckie picking up the trailer off the ferry at the other side.
Minimum vaccinated and tested to go to the SI with minimal exceptions to actually go.
What will actually happen, delivery freight driver will unknowingly spread it.