Lever two is contact tracing. Officials have told us one of the most effective tools—if not the most effective—is contact tracing. We are asking New Zealanders to use the coronavirus tracing app as far as is possible and sign-up sheets when not. There is a critical mass for usage before it is maximally effective, and that figure is roughly 60 percent. Surely we can get there. Lever three is testing. If one has symptoms or meets other high-risk criteria, please get tested. This is the only definitive way at this point to say positive or negative, and different pathways evolve depending on that result. The final lever, lever four, is social distancing. As citizens, we have control over this. This is a choice we make. We understand social distancing can be a challenge, and all we ask is that you do your best.