Any of several forms of infectious disease caused by rickettsia, especially those transmitted by fleas, lice, or mites, and characterized generally by severe headache, sustained high fever, depression, delirium, and the eruption of red rashes on the skin.

• 斑疹伤寒由立克次氏体造成的各种传染性疾病的任何一种，尤其是那些由跳蚤、虱子或节肢小寄生虫传播的疾病，其总体特征为剧烈头痛、长时间高烧、抑郁、谵妄以及皮肤上红斑暴发