Three Labour MPs have joined their peers in testing positive for Covid-19.

Grant Robertson, Nanaia Mahuta and Andrew Little are the latest victims, leaving only 4 members of Cabinet yet to get the virus, including Covid-19 Minister Ayesha Verrall.

For Mahuta, it means she won't be attending the Pacific Islands Forum later this week.

Jacinda Ardern is back in Australia.

She will spend the first leg attending business meetings and events, while the second leg will see her meet with Albanese, along with Immigration Minister Michael Wood meeting with Home Affairs Minister Clare O'Neil.

Newstalk ZB Deputy Political Editor Jason Walls joined Heather du Plessis-Allan.

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