21:30In Our TimeThe Origins of Infectious DiseaseBBC Radio 4 Duration: 42 minutes Thu 9th Jun 2011, 21:30 on BBC Radio 4 FMAvailable for over a yearListen nowMelvyn Bragg and his guests discuss the origins of infectious disease. Show more GenresFactualArts, Culture & the MediaFactualHistoryFormatsDiscussion & TalkBrandIn Our Time Source: BBC Online