耶氏菌被认为是人类胃肠炎的致病原,它已广泛地从动物源性和植物源性食品中分离到,环境分离株通常按生化反应将类耶氏菌分为三个新的种,即中间型耶氏菌、弗氏耶氏菌和克氏耶氏菌。虽然从食物来的许多耶氏菌和类耶氏菌对人是不致病的,然而在纽约由于饮巧克力牛奶引起了人类耶氏菌肠炎的爆发,在美国的阿肯色州密西西比州和田纳西州消毒牛奶在流行病学中作为传播疾病媒介引起的爆发已有报导,因此,在生的和消毒牛奶中耶氏菌的分布是为人们所非常 Yersinia is considered to be the causative agent of human gastroenteritis and has been widely isolated from animal-derived and plant-derived foods. Environmental isolates generally classify Yersinia according to biochemical reactions into three new Species, that is, Yersinia intermedia, Y. Fueling and Klebsiella. Although many Yersinia and Yersinia species from food are not pathogenic to humans, the onset of a human listeria enterocolitis in New York due to drinking chocolate milk is disinfected in Mississippi and Tennessee, Arkansas, USA The epidemiology of milk as an agent of transmission of disease has been reported in the epidemiology and therefore the distribution of Yersinia in raw and sanitized milk is very unusual