02:33One PlanetThe Battle Against Blue TongueEpisode 1BBC World Service Duration: 26 minutes Sun 21st Dec 2008, 02:33 on BBC World Service OnlineAvailable for over a yearBlue tongue: a deadly virus transmitted to animals. Susie Emmett looks at attempts to control it & the race to develop a vaccineGenresFactualScience & NatureFormatsDocumentariesBrandOne PlanetSeriesOne Planet: The Battle Against Blue Tongue Source: BBC Online