Broad-scale immunisation has saved millions of lives worldwide, making it the most effective form of disease prevention we have. Meanwhile, new vaccines and delivery methods continue to be discovered. Why, then, are vaccination rates at dangerously low levels in parts of Australia and overseas? What are the debates about the risks of vaccines and what are the risks to our health if vaccination rates keep falling? How do we make a difference to public opinion – and behaviour – when the science is not enough?

Hosted by scientist and writer Upulie Divisekera, with science-based medicine campaigner and researcher Rachael Dunlop, virus and immunity researcher David Tscharke and WHO Collaborating Centre for Reference and Research on Influenza director Anne Kelso.