小肠结肠炎耶森氏菌(Yersinia enterocolitica,简称耶氏菌)是一种人畜共患的病原微生物,1933年首次在美国发现对人类有致病性,迄今已有40多个国家发现本病。耶氏菌感染的临床表现多样且随年龄而异,它是儿童急性胃肠炎常见病因之一,在成人可引起小肠结肠炎、假阑尾炎综合征、关节炎、结节红斑和败血症。1980年福建首先发现耶氏菌。本病可能为我国冬季腹泻的重要病因,应引起临床 Yersinia enterocolitica (Yersinia enterocolitica) is a zoonotic pathogenic microorganism. It was the first human pathogenic microorganism discovered in the United States in 1933, and so far it has been found in over 40 countries. The clinical manifestations of Yersinia infections are diverse and age-specific and are one of the most common causes of acute gastroenteritis in children, causing enterocolitis, pseudo- appendicitis syndrome, arthritis, erythema nodosum and septicemia in adults. Fujian first discovered Yersinia in 1980. The disease may be an important cause of winter diarrhea in our country should cause clinical