Aucklanders who were at a packed pub on Auckland's North Shore on Friday night are being told to stay home, and get a Covid-19 test as soon as possible.
It has emerged that an infectious person visited the Malt pub in Greenhithe between 7.30pm and 10pm Friday night.
The Ministry of Health says anyone there during this time should get tested and stay in isolation until they get a negative result.
Michael Baker is a Professor of public health and an epidemiologist.
