There have been eight new cases of COVID-19 detected in managed isolation (MIQ) over the past two days and none in the community, the Ministry of Health announced on Sunday.
There is also one historical infection - a case that's not considered to be infectious. The total number of active cases in New Zealand stands at 58.
Cases acquired overseas and detected in MIQ came from from Pakistan, Qatar, the Philippines, Sweden, India, and Ireland, the ministry says. Two are also from Papua New Guinea.
The historical case was onboad a ship that departed New Zealand for Singapore on March 7.
They were screened prior to departure and returned a weak positive test result after the ship departed, the ministry says. The case was suspected to be historical at the time, which is now confirmed by the weak positive test result.
Since January there have been 40 historical cases, out of a total of 286 cases.
The seven day-rolling average of COVID-19 tests processed in New Zealand stands at 4412.