Human poo in the drinking water is the likely cause of Queenstown's parasite induced gastro outbreak.
There's been 62 confirmed cases of crypto, 18 probable and 24 under investigation. It can cause severe diarrhea, stomach cramps and nausea.
Te Whatu Ora Health New Zealand says a detailed investigation including genotyping, mapping the cases and talking to people who got sick has concluded human faecal contamination in Lake Wakatipu is likely the offender.
And that means the current boil water notice will stay in place until the appropriate filter is at the town's Two Mile water treatment plant.
Te Whatu Ora's southern medical officer of health Dr Michael Butchard speaks to Lisa Owen.
