New Zealanders are waking up this morning under a level four lockdown, as the Government goes hard and early following the discovery of a community case on Auckland's North Shore.
Health officials are working around the clock to establish how a 58-year-old Devonport man became infected - with one modelling expert saying there's a chance more than 100 people could now have the virus if no clear link to the border is established.
The man visited the Coromandel Peninsula while infected.
As a result Auckland and the Coromadel Peninsula will remain under alert level 4 for seven days, while it's at least three days for the rest of the country.
It's lockdown number five for Auckland - but people in the city say the move to the toughest level of restrictions was the only real choice.
For many, what's happening across the Tasman, in New South Wales, is looming large on their minds.
Here's reporter Sarah Robson.