Air New Zealand staff have an anxious wait in managed isolation while scientists try to determine where the newest case of Covid-19 in New Zealand has come from.
Results from genomic testing are due to be released later this morning.
They're expected to show whether Air New Zealand crew member with Covid-19 caught the virus in Shanghai or here at home.
Fourteen crew members - including the positive case - returned from Shanghai on Wednesday and went straight into a government isolation facility.
At least three close contacts in Auckland are isolating at home.
Savage is the Head of Aviation at E tū union.
He speaks to Corin Dann.