Air New Zealand has confirmed 30 of its employees have tested positive for Covid-19 since the outbreak began

25 have now recovered and five are recovering at home.

Not all cases are linked to employment at Air New Zealand, and they aren't all air crew.

Out of about 3,000 Air New Zealand cabin crew, 27 are close contacts on the basis they worked on a flight including a passenger with a confirmed or probable case.

All have completed self-isolation without illness.