Listeriosis is currently in the Canadian news, having caused a number of deaths following contamination of meat and meat products. But what is listeriosis? It's a disease caused by species of the bacterium Listeria. There are 6 species of Listeria widely distributed in nature. Listeria monocytogenesis the causative agent of listeriosis, however other species are also pathogenic. For example, Listeria ivanovii is an animal pathogen and in rare cases cause human infection. Even though, human … [Read more...]