摘要:The purpose of this study was to research Listeria monocytogenes (L.m.) in 90 different food and refrigerators samples collected in 13 private hospitals in Naples. L.m. was detected in 25g in 2 samples of chilled chicken and vacuum packed cooked ham. At the quantitative evaluation L.m. was detected in three samples of chilled chicken, vacuum packed cooked ham and minced meat at levels of 46 cfu/g, 0,36 cfu/g and 21cfu/g, respectively.