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近年来，李斯特氏菌（Listeria）引起的食源性疾病不断发生，成为世界各国食品卫生工作者的主要关注对象。作者于1996年5月从由美国进口的市售冰淇淋中检出两株李斯特氏菌，经鉴定为单核细胞增生性李斯特氏菌（L。o。o’’ytogene。，以下简称L．m）和英诺克李斯特氏菌（L。nno
In recent years, food-borne diseases caused by Listeria have been constantly emerging and become the main concerns of food hygienists in various countries in the world. The authors identified two strains of Listeria from commercial ice cream imported from the United States in May 1996 and was identified as L. monocytogenes (L. .m) and Listeria innocua (L.nno