any of various infections in animals and occas. humans, caused by listeria and often associated with encephalitis, meningitis, etc.
Origin of listeriosissee listeria
Infection with the bacterium Listeria monocytogenes, characterized in humans by fever, gastrointestinal symptoms, and sometimes headache and convulsions, and in pregnant women often leading to miscarriage or stillbirth. In domestic animals it can cause encephalitis, septicemia, and abortion. The bacterium occurs as a contaminant in raw or improperly processed foods.