Covid-19 has exposed the limits of a neoliberal public health orthodoxy. But instead of imagining radical change, the left is stuck in a rearguard action focused on defending the NHS from the wrecking ball of privatization. Public health expert Christopher Thomas argues that we must emerge from Covid-19 on the offensive - with a bold, new vision for our health and care. He maps out five new frontiers for public health and imagines how we can move...