An epidemiologist says the reopening of the trans-tasman bubble must be postponed, and any loosening of MIQ protocols reviewed urgently.
Keeping the border secure is critical, according to Michael Baker, following the first detection of the Omicron variant in New Zealand - on a passenger who arrived from Germany via Dubai.
The person is in a managed isolation facility in Christchurch.
Professor Baker spoke to Corin Dann.
