人和许多动物——猪、牛、鸡、鸭、鼠等均能感染鼠伤寒沙门菌(STM),传染源非常广泛。近年来由于家畜、家禽的集中饲养以及食品的大规模生产,肉、禽、蛋、奶及其制品受STM的污染率较高,形成散发或爆发感染,例如福建曾有一起食物中毒,5天内有1000余人突起腹泻、发热,经调查系因制作 Human and many animals - pigs, cattle, chickens, ducks, mice and so on can infect Salmonella typhimurium (STM), a wide range of sources of infection. In recent years, due to the concentrated feeding of livestock and poultry and large-scale production of food, the contamination rate of meat, poultry, eggs and milk and their products is high due to the high incidence of STM, causing sporadic or outbreak of infection. For example, Fujian had a food poisoning within 5 days There are more than 1,000 people protruding diarrhea, fever, the investigation by the Department of investigation