Vaccine

What's actually behind the manufacture of a vaccine? And why was the polio vaccine such a huge deal? In a fascinating first for We Didn't Start The Fire, Billy is plunging us into the depths of medical marvels, mysteries and conspiracy theories. Vaccine expert Dr Gareth Millward joins Tom and Katie this week, and has a weird story to tell about monkeys. Learn more about your ad choices. Visit megaphone.fm/adchoices