Dirt, TB and risk

In this week's show: A major new exhibition by the Welcome Trust - Dirt: The filthy reality of everyday life; and, ahead of World TB day on Thursday, we talk to TB-HIV advocate from Malawi, Thokozile Phiri-Nkhoma about the enduring problems of tackling the disease; BMJ contribution is on risk - the tricks companies use to obfuscate risk with numbers.Guest in the studio is professor of microbiology at UCL and author of Bacteriology of humans - an ecological perspective, Mike Wilson.Presented by Andrew Jack with a BMJ contribution from Duncan Jarvies.Produced by LJ Filotrani Hosted on Acast. See acast.com/privacy for more information.