New Zealand now has 72 cases of Covid-19 in the community, most of them in Auckland.
Experts do not anticipate the city will be moving out of level four this week as more locations are released, and more people are told to isolate and get tested.
Director General of Health Dr Ashley Bloomfield said on Sunday there are 8677 contacts - almost all considered 'close contacts'.
University of Canterbury Covid-19 modeller Professor Michael Plank says it will take longer to contain the outbreak in Auckland.
He spoke to Corin Dann.