Covid-19: Wastewater testing underway in Auckland, Taranaki - a podcast by RNZ

Wastewater testing is being done by ESR in South Auckland and Taranaki to see whether the virus has spread further.
Testing as recent as 10 February found no signs of Covid-19 in the water.
Brett Cowan is a chief scientist at ESR.
He spoke to Corin Dann.

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