Australia's Health Minister Greg Hunt says the latest positive case here won't mean a change to trans-Tasman travel rules. Prime Minister Jacinda Ardern says the latest community case of Covid-19 is a reminder that there is still a small chance those vaccinated can contract the coronavirus. Professor Michael Baker will answer listeners' questions including how the travel bubble is tracking.
University of Otago epidemiologist Michael Baker has won the 2020 Prime Minister's Science Communication Prize. Photo: University of Otago