According to the Notice 60 ovine catarrhal fever, and due to the detection of positive results for the serotype 4 in several municipalities in the Center region, extension of the affected area for Bluetongue was imposed and is now defined as the area affected by the serotype 4, the regions of Alentejo and the districts of Santarém, setubal, White Castle, Coimbra, Guard and Viseu.