Anxiety levels are high in Tamaki Makaurau after news three members of the same South Auckland family have tested positive for Covid-19, causing the city to be moved to Alert Level 3.
The Prime Minister, Jacinda Ardern, says genomic sequencing shows the latest cases are the more infectious UK variant - but its not linked to any other cases which have crossed New Zealand's border.
Siouxsie Wiles is an expert in infectious diseases and spoke to Māni Dunlop.