http://wonder.cdc.gov/wonder/prevguid/p0000005/p0000005.asp

It presents answers to some questions related to the infection caused by eating food contaminated with the bacterium Listeria monocytogenes, as: how great is the risk for listeriosis?; how does Listeria get into food?; how do you get listeriosis?; how do you know if you have listeriosis?; can listeriosis be prevented? how can you reduce your risk for listeriosis?; and, can listeriosis be treated? Some bibliographic references are presented, too.