While the advice had not changed, Winkelmann believed maintaining the high level of precaution in the current environment was unrealistic for jury trials.
"There is a special onus on the courts to protect the health of jurors who are performing an important civic duty," she said.
"The process of empanelling juries often involves bringing large numbers of people together in relatively confined spaces.
"This is not a time for panic. It is a time for preparation. I ask everyone that they think about that for them and their family," Ardern said this afternoon.
The Government's plan to contain the spread of the virus appeared to be working but Kiwis needed to be prepared for a wider outbreak, she said.
"Think about Covid-19 in the same way you do for civil defence emergencies. Prepare a plan for you and your family."
That included thinking about how to get through a period of self-isolation, including how to access all the resources you might need.