So vaccines and then, of course, we had the measles issue last year. We had the measles outbreak. My question has to be: what did we learn over the year about logistics and supply that are focused on this Budget, that improve it, that make it better? It's not clear to me that there was any organisational knowledge retained or any things that could be done better by the time we came around again this time and are running out of flu vaccines a year later. It's not clear to me we learnt anything. As the coronavirus infection hit us, did we learn that the backpacker in Mount Maunganui who developed measles and hopped on an Air New Zealand and then Cathay Pacific flight to get home to Germany and infected people on the way—did we learn that you need to ask the airlines? Because in that instance, they didn't even ask the airlines. Cathay Pacific or Air New Zealand let that infected backpacker make their way back through New Zealand and home. Why didn't we learn about contact tracing way back last year with the measles response?