Director-General of Health Ashley Bloomfield says there are no unlinked cases today.
The one case from yesterday that was not linked to the outbreak, has now been linked, Dr Bloomfield said.
He said 10 cases in the outbreak are yet to be epidemiologically linked.
Bloomfield says the focus for testing is in the following suburbs - Massey, Mangere, Favona, Papatoetoe, Manurewa and Otara.
Anyone with cold and flu symptoms is urged to get a test.
He says families with children are urged to get tested together.
So far this month, 15,685 essential workers in the Auckland region have been tested with no positive cases identified.
"On contact tracing we're now focusing our efforts on 1242 contacts that are under active management. This is a change to the reporting total context for the whole outbreak. The number of contacts under active management is now down to a much smaller number as ... majority of our contacts have now either returned negative tests or have had exposures more than 18 days ago and we're not generating significant numbers of new contacts outside of households."
"There was a positive wastewater result received from a sample taken last week in Pukekohe."
Bloomfield says Public Health has advised there were four cases in the area who were in quarantine but have now returned home. "This could explain the result. But anyone in the Pukekohe area, who has symptoms, please go and get tested."
There are no other "unexpected detections" in wastewater samples in Auckland or around the country that have returned positive results.
Yesterday, the ministry reported 33 new community cases of Covid-19.
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