Senator BIRMINGHAM (South Australia—Minister for Finance, Vice-President of the Executive Council and Leader of the Government in the Senate) (15:02): It's always important to have people who will test and challenge views and opinions. However, it is equally important in relation to dealing with the COVID-19 pandemic that government and those speaking with the public advocate for the facts of the matter and follow the factual advice that is presented. Our government has been consistent from this time last year—indeed, slightly before it—in acting and following on the health advice provided to us. We have acted on the health advice at each step of the way. That health advice has served the nation well. We have acted on the health advice in relation to the vaccination strategy that has been developed and we will continue to follow that health advice in delivering upon that vaccination strategy. The PRESIDENT: Senator Wong, a final supplementary question?