The Health Ministry has confirmed a second worker at the Sudima Hotel managed isolation facility in Christchurch has tested postive for Covid-19 tonight.
The person is a close workplace contact of the health worker who returned a positive test yesterday.
Both people came into contact with some of the 31 international fishing crew who are infected with the virus and remain in quarantine at the hotel.
Karyn speaks with Professor Shaun Hendy from University of Auckland, who's leading the team modelling how Covid-19 might spread in New Zealand.