10/18/2017 Primary factors contributing to Primary factors contributing to listeriosis listeriosis 1.Listeria 4C 2.Changing population: monocytogenes more at risk people such thrives in the cold as elderly or where it immunocompromised. 90% outcompetes other L.m.is an opportunistics p bacteria that 20c pathogen. normally outcompete poisoning are in L.m.at warmer groups. Learn more temperatures Weeks of storage Primary factors contributing to listeriosis Listeriosis 3.Changing food production practices Sporadic and rare and severe 4.Increased use of refrigeration to Causes meningitis,septicemia,and preserve food-L.m.grows better in abortion the cold than other organisms 5.Changing eating habits-greater .15.9%of people who get listeriosis die demand for fresh,unprocessed food from it without preservatives Long lag from consuming the food to 6.Changing awareness and ability to illness detect outbreaks10/18/2017 3 Primary factors contributing to listeriosis 1. Listeria monocytogenes thrives in the cold where it outcompetes other bacteria that normally outcompete L. m. at warmer temperatures Primary factors contributing to listeriosis 2. Changing population: more at risk people such as elderly or immunocompromised. L. m. is an opportunistic pathogen. Primary factors contributing to listeriosis 3. Changing food production practices 4. Increased use of refrigeration to preserve food – L.m. grows better in the cold than other organisms 5. Changing eating habits – greater demand for fresh, unprocessed food without preservatives 6. Changing awareness and ability to detect outbreaks Listeriosis • Sporadic and rare and severe • Causes meningitis, septicemia, and abortion • 15.9% of people who get listeriosis die from it • Long lag from consuming the food to illness