A virus disease, esp. of Africa that is characterized by a high fever, headaches, mouth ulcers, muscle aches, small hemorrhages under the skin, heart and kidney failure, an a high mortality rate.

拉沙热病(一种致命病毒性疾病，症状乃发烧、头痛、口腔溃烂、肌肉疼痛、皮下出血...等，特别容易发生在非洲)。