Covid 19 coronavirus: Infected MIQ security guard last tested in November before testing positive last week 13 Apr, 2021 10:35 PM 5 minutes to read The latest MIQ worker who tested positive for Covid-19 wasn't also vaccinated. It comes amid revelations that 20 per cent of border staff have yet to get the jab protecting them against coronavirus. The latest MIQ worker who tested positive for Covid-19 wasn't also vaccinated. It comes amid revelations that 20 per cent of border staff have yet to get the jab protecting them against coronavirus. Derek Cheng is a political reporter for the New Zealand Heraldderek.cheng@nzme.co.nz A security guard who tested positive last week was previously last tested in November last year - six months ago - even though he is meant to be tested every fortnight.