Chinese exporters are having to contend with heightened economic and political tensions between Beijing and Washington as well as a slowdown in global trade
The move means bars, cafes, restaurants and cinemas will be shut. Supermarkets and pharmacies will remain open, Ardern said, adding that the country was well supplied.
All schools will be closed from Tuesday, she said.
“New Zealand is now preparing to go into self isolation,” Ardern told a news conference.