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This week Jo is joined by Professor Adam Hart from the University of Gloucestershire to do some more myth busting – this time on the subject of vaccinations.

Jo also visits the home of Dr Edward Jenner from Berkeley who discovered the vaccine for smallpox and finds out about his lasting legacy.

Plus Jo looks ahead to the 2019 Cheltenham Science Festival with the new person in charge of the programme – Dr Marieke Navin.

And in the Festival Flashback this week you’ll hear Jo’s interview with Ray Davies of The Kinks at the 2013 Cheltenham Literature Festival.