Microbial food-borne illnesses have a great impact not only on public health but also represent high economic costs for many countries around the world. Listeria monocytogenes, is a gram-positive facultative intracellular pathogen. In this book, the authors discuss the epidemiology, pathogenesis and treatment of Listeria infections. Topics include the behaviour of L monocytogenes in Greek PDO cheeses and preventing the pathogen's proliferation; epidemic clones of Listeria monocytogenes; description of outbreaks, pathogenesis and technology for controlling Listeria; sublethal damage in Listeria monocytogenes after non-thermal treatments and implications for food safety; and Listeria monocytogenes in RTE fermented meat and smoked fish products.