A viral disease of sheep and cattle that is transmitted by biting insects and is characterized by fever, the formation of oral lesions, and swelling and cyanosis of the lips and tongue.

• 蓝舌病羊、牛的病毒性疾病，由蚊虫叮咬传染，症状为发烧、口腔腐烂、唇舌肿胀、发紫