/b/veterinary-news/posts/bluetongue-protection-zone-extended-amp-merial-vaccine-licensed Defra has announced that the Bluetongue Protection Zone will be extended again on Monday 21 July, following the delivery by Intervet of almost 2 million additional doses of Bluetongue serotype 8 (BTV-8) vaccine. Vaccination is only permitted within theen-USTelligent Community 10