Rt Hon JACINDA ARDERN: A vaccine is not the only thing that will make a difference in the globe's fight against COVID-19. Other things that will be game-changers will be, for instance, successful treatment; whether or not we see a change in the way this pandemic is spreading, although we haven't seen it to date; yes, as the member says, a vaccine; but also rapid and accurate testing technology has the potential to change the dynamic globally. Right now, though, the reality is, many countries who have the economic freedoms we do currently are using their borders as a line of defence. That will continue to be the case while we see this pandemic surging.