With the possible exception of getting the vaccine out New Zealand has dealt with it superbly. However this has created a new set of challenges when reopening the borders as even with a fully vaccinated population (or as near as you are going to get) you are still going to get people catch it...
At some point when the vaccination programme's even out there will be a background hum of cases round the world. Australia and New Zealand need to decide if they are happy to make their cases go up, from an admittedly very low level, by opening up their borders or continue as they are and...