The cases came after 102 days with no community spread. The four are members of the same family. Prime Minister Jacinda Ardern announced a three-day period of high restrictions due to the new cluster.
The head of the World Health Organization has called the island nation "a global exemplar" for its success in controlling the virus.
"We will almost certainly see cases here again" Prime Minister Jacinda Ardern predicted last week. "That is not a sign we have failed." The two women in the new cases are in self-isolation.
Even as far away as New Zealand, protesters have taken inspiration from America's movement against police abuse of people of color.
Prime Minister Jacinda Ardern makes the announcement weeks after her government began easing restrictions as the number of cases in New Zealand continued to drop.
It's a diverse mix of places — New Zealand, Vietnam, Germany, Costa Rica. We look at the keys to their success in controlling the coronavirus.
A shorter work week to encourage travel? Prime Minister Jacinda Ardern says it's an idea worth considering as the island nation emerges from its coronavirus lockdown.
The country is reopening thousands of shops after three days of no new coronavirus cases. Prime Minister Jacinda Ardern said New Zealand has won the "battle" against the disease.
"There is no widespread undetected community transmission in New Zealand. We have won that battle," Prime Minister Jacinda Ardern said Monday as the country eased COVID-19 restrictions.