00:06The ForumAlexandre Yersin and the race to fight the plagueBBC World Service Duration: 44 minutes Fri 8th Jan 2021, 00:06 on BBC World Service West and Central AfricaAvailable for over a yearListen nowHow a young Swiss doctor identified the cause of a dreaded disease. Show more GenresFactualArts, Culture & the MediaFormatsDocumentariesBrandThe Forum Source: BBC Online