And in further good news, wastewater tests in all four cities that had initially come back as "weak positive" results are now negative. "A historical case has been identified following a mariner returning a weak positive test result before transferring to their vessel," said the ministry. "The mariner confirmed they had a positive test result overseas earlier in the year and follow up serology testing has confirmed this. Wastewater test results updateWeak positive results were recently detected in Wellington, Christchurch, Rotorua and Queenstown. About 45 people were given warnings because they could not prove they were exempt, or had a negative test result before travelling.

Source: Otago Daily Times May 23, 2021 01:07 UTC