The government has opened the door for border workers to undergo less-invasive saliva testing for Covid-19.
The move comes amid increased scrutiny on the testing regime after revelations a security guard went untested for five months.
Since the failing, the Covid-19 Minister Chris Hipkins has signed a new health order to tighten procedures and increase testing frequency.
The directive includes a clause allowing the testing of workers to be done by saliva from 21 April.
Right now, only a mouth or a nose swab is accepted.