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Food contamination is a serious public health problem around the world. The World Health Organisation estimates that 600 million – almost 1 in 10 people in the world – fall ill after eating contaminated food and 420,000 die every year.

In this episode, Ruth Alexander speaks to some of the people whose lives have been shaped by serious food safety breaches and how they are working to ensure food safety and strengthen our food systems.

She speaks to US food policy campaigner, Darin Detwiler, whose son Riley died following an E. coli outbreak in 1993, food safety consultant Lone Jespersen, and Tina Potter, head of incidents at the Food Standards Agency for England, Wales and Northern Ireland.

If you would like to get in touch with the show, please email: thefoodchain@bbc.co.uk

(Picture: Scientist inspecting meat sample in laboratory. Credit: Getty/´óÏó´«Ã½)

Producer: Elisabeth Mahy