Authorities say the latest test results following the Valentine's Day Covid-19 outbreak are encouraging, but caution the next few days will be crucial.
A surge in testing has yet to discover any spread to close contacts or further into the community.
The Director General of Health Ashley Bloomfield says that is positive, but it's important to see the results of all the tests, as they are still uncertain about where the infection came from as the daughter got sick first.
He told Morning Report he would normally be told of any new positive cases overnight, but he hadn't been rung as of 7am on Tuesday.
He spoke to Susie Ferguson.
