The article highlights the importance of vaccinating animals against bluetongue, a disease that can cause significant losses in livestock. However, it warns against vaccinating sick animals, as it may reduce the vaccine's effectiveness. It also emphasizes the need for a booster vaccine for sheep, particularly against the more virulent type 3 of the bluetongue virus. The article also stresses the importance of vaccinating cattle to prevent the spread of the virus and the need for careful vaccination techniques to prevent the spread of bluetongue among animals. Additionally, the article discusses the symptoms of bluetongue in goats and the necessity for coordination with manufacturers when vaccinating them.