Authorities are no closer to finding the source of Queenstown's cryptosporidium outbreak.
Te Whatu Ora has confirmed 56 cases, 12 probable cases, and eight under investigation.
The Council says the parasite has not been detected in repeated tests across the water network, but residents are still being told to boil their drinking water in the meantime.
The Council is planning to isolate the areas served by the Kelvin Heights water treatment plant this week - so part of the town will be able to drink from the tap again.
Steve Taylor from the national water regulator, Taumata Arowai, spoke to Corin Dann.
