TV Horizon - Season 47 Episode 8 : Why Do Viruses Kill? Horizon - Season 47 Episode 8 : Why Do Viruses Kill? 7.516/10 by 32 users Just months ago, the world stood in fear of an emerging new disease that threatened to kill millions. A new flu variant H1N1 had arrived. In the UK alone, 65,000 deaths were predicted. Yet to date, these dire warnings have not materialised. If this latest pandemic has taught anything, it is just how little is understood about the invisible world of viruses. But that has not stopped scientists trying. Horizon follows the leading researchers from across the world, who are attempting to unravel the many secrets of viruses to understand when and why they kill. Details Casts Posters Images Title Horizon - Season 47 Episode 8 : Why Do Viruses Kill? Alternative Titles BBC Horizon First Air Date 1964-02-04 Last Air Date 2024-07-22 Number of Episodes 1169 Number of Seasons 60 Genres Documentary, Networks BBC Two, Casts Plot Keywords , Episodes List Horizon Season 47 :Episode 1 Do I Drink Too Much? Do I Drink Too Much? 2009-10-13 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 47 :Episode 2 The Secret You The Secret You 2009-10-20 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 47 :Episode 3 Fix Me Fix Me 2009-10-27 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 47 :Episode 4 Who's Afraid of a Big Black Hole? Who's Afraid of a Big Black Hole? 2009-11-03 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 47 :Episode 5 Why Do We Talk? Why Do We Talk? 2009-11-10 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 47 :Episode 6 How Long is a Piece of String? How Long is a Piece of String? 2009-11-17 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 47 :Episode 7 The Secret Life of the Dog The Secret Life of the Dog 2010-01-06 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 47 :Episode 8 Why Do Viruses Kill? Why Do Viruses Kill? 2010-01-13 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 47 :Episode 9 Pill Poppers Pill Poppers 2010-01-20 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 47 :Episode 10 Don't Grow Old Don't Grow Old 2010-02-03 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 47 :Episode 11 To Infinity and Beyond To Infinity and Beyond 2010-02-10 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 47 :Episode 12 What Makes a Genius? What Makes a Genius? 2010-02-17 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 47 :Episode 13 Did Cooking Make Us Human? Did Cooking Make Us Human? 2010-03-02 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 47 :Episode 14 Is Everything We Know About the Universe Wrong? Is Everything We Know About the Universe Wrong? 2010-03-09 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.