A milestone was reached today when New Zealand became the first country to declare that all community transmission of coronavirus has effectively ceased. We have previously seen China (whose figures are not universally trusted), South Korea and Vietnam wrestle their figures for new cases of the disease down to very low levels, but New Zealand’s Prime Minister Jacinda Ardern has been the first national leader brave enough to use the word ‘eliminated’ – although she did prefix that with the word ‘currently’.