患者男,27岁。因饮生水后当天夜晚开始腹痛、腹泻。初始粪便如稀水状,2天后出现粘液脓便,每日5～6次,不发热,未用任何药物1周后自愈。因急需健康检查而送粪便来我站检验,结果分得B群阿哥纳沙门氏菌(S.Agona)1株。抗原结构:0:4、12(+);H:f、g、s(+)。生化反应:葡萄糖+,乳糖-,蔗糖 Patient male, 27 years old. Abdominal pain and diarrhea started on the night after drinking and drinking. Initial excrement, such as dilute water, mucus pus two days later, 5 to 6 times a day, no fever, without any medication for 1 week after healing. Due to the urgent need of health examination and sent stool to my station test, the results were divided into group B Agna spp. (S.Agona) a strain. Antigen structure: 0: 4,12 (+); H: f, g, s (+). Biochemical reactions: glucose +, lactose -, sucrose