痢疾是一种肠道传染病，夏秋季多发，多由痢疾杆菌引起，简称菌痢。病人主要表现为粘液脓血便或水样便，常伴有里急后重感，其他症状有发热、腹痛等，严重时可有惊厥、昏迷等中枢神经系统症状。慢性病人可长期带菌，呈间歇发作。也有带菌者在训练、施工、野营等情况下诱发成为 Dysentery is an intestinal infectious disease, frequent in summer and autumn, mostly caused by Shigella, referred to as bacillary dysentery. Patients mainly manifested as mucus pus and blood or watery stool, often accompanied by tenesmus, other symptoms of fever, abdominal pain, severe may have convulsions, coma and other central nervous system symptoms. Chronic patients can be long-term carrier, was intermittent. There are also carriers in the training, construction, camping and other circumstances induced to become