New Zealand has marked 100 days on Sunday with no Covid-19 local transmission.
Currently, the country has still 23 active cases that were detected at the border when entering the country. They are being held in managed isolation facilities.
"Achieving 100 days without community transmission is a significant milestone, however, as we all know, we can't afford to be complacent," Ashley Bloomfield, director-general of health, said in a statement.
"We have seen overseas how quickly the virus can re-emerge and spread in places where it was previously under control, and we need to be prepared to quickly stamp out any future cases in New Zealand," she added.
The country has a population of five million has decided to close its borders on March 19.