More than 300 million doses of Covid 19 vaccines have been administered - that’s nearly three times the number of official Covid cases. But, the novelist William Gibson once said: the future is already here, it’s just not very evenly distributed and that’s certainly true for Covid 19 vaccines. Some countries are the haves, and others the have nots. So, where do we go from here if we are going to bring this pandemic to an end? That's the question Tim Harford asks this week's panel of guests: Gian Gandhi of UNICEF, Hannah Kuchler from the Financial Times and Prashant Yadav from Center for Global Development.