In the middle of June, the first case of the Bondi cluster was reported in New South Wales. By the middle of July, not only had New Zealand paused quarantine-free travel with New South Wales, but also with Victoria, and then South Australia, due to the risks of COVID-19 in those communities. The Delta variant has materially changed the risk profile of COVID-19. We've seen that contact tracing alone is unable to get ahead of this variant, and that restrictions are absolutely necessary to stamp it out where it emerges.