Rt Hon JACINDA ARDERN: I imagine—look, I'm not an expert on the testing regimes. I am, of course, sharing what has been shared with me directly from our health authorities. But I again put in the context here that we are doing this. I imagine that those processes have had validation, so I would imagine we would want to go through the same process to make sure that we can get the same level of rigour with saliva testing as we do with PCR testing.