As COVID-19 cases rise again, what comes next?

Right now, more and more people are contracting COVID-19, as another wave of infection sweeps the nation. Driving the spike is a more infectious sub variant of Omicron, known as BA.2. Today, epidemiologist Professor Tony Blakely on how worried we should be, and the need to prepare for a more dangerous variant that could be on the way. Featured: Professor Tony Blakely, epidemiologist, University of Melbourne School of Population and Global Health