10:06The ForumAlexandre Yersin and the race to fight the plagueBBC World Service Duration: 44 minutes Thu 7th Jan 2021, 10:06 on BBC World Service OnlineAvailable 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