There are 106 new Covid-19 community cases across five regions, and two more people have tested positive in Christchurch.
The new cases are Auckland (93 cases), Northland (3), Waikato (8), Christchurch (1), and Whanganui (1).
New Zealand has now reached 88 per cent of the total eligible population fully vaccinated.
77 cases are in hospital, down two since Saturday, seven of which are in intensive care.
All the cases in Waikato, Northland and Christchurch have been linked to previous cases, this includes an essential worker who travels between Northland and Auckland and was found during routine testing.
* Covid-19 outbreak situation report: What happened on Saturday, December 4
* Caroline McElnay – piloting the pandemic response
However, 67 of the 106 cases are yet to be epidemiologically linked.
Two cases were also identified at the border, arriving from Ireland and England, and were found during routine testing at day one.
The past two days saw case numbers drop below 100 for the first time since October 28, with 98 new reported cases on Saturday.
Sunday marked the third day of the traffic light framework, with police in Auckland over the weekend busy with calls for services related to alcohol-related disorders, assaults and a number of vehicle crashes.
A Whanganui case has been added to Sunday’s Covid-19 tally.
The person travelled outside the city and was likely linked to a previously reported case outside the region, health officials said. The person is now in a managed isolation facility.
Following news of the Whanganui case, a dairy and public toilets have been added to the locations of interest list by the Ministry of Health.
Two more people in Christchurch tested positive for Covid-19 after 9am, including a child. The cases would be reported in Monday’s numbers.
A case reported on Saturday night has been added to Sunday’s tally and is linked to a previous case in the Nelson-Tasman area.
The two new cases are contacts of Saturday’s case and have been moved to an isolation facility.
There are three new cases in Northland, two of which are linked to previously reported cases in Kaitaia and has already been isolating.
The third case was picked up through routine testing as an essential worker, based in Whangārei and often travels between Auckland for work.
There are eight new cases in the Waikato region: two in Hamilton, two in Te Kūiti, three in Piopio and one in Huntly.
Seven of the cases are linked, while health officials are investigating the eighth case.
Public health staff in Waikato are supporting 107 cases isolating at their home.
Cook Islands case
The Cook Islands government confirmed on Saturday a 10-year-old boy who travelled from New Zealand had tested positive for the virus.
The boy, alongside his mother and two siblings are in a managed isolation facility (MIQ) in the Cook Islands.
All the other 172 passengers on the flight have tested negative for Covid-19.
The Cook Islands government said on Sunday that quarantine-free travel between the countries would still resume in early January.