Listeria is a foodborne bacterial illness that can be very serious for pregnant women and people with impaired immune systems.
Food poisoning bacteria: Listeria
What food sources can it be found in?
Unpasteurised milk or products made from it
Soft cheeses (eg camembert, brie)
Ready-to-eat foods (eg pre-packed sandwiches, pâté, deli meats)
Unwashed vegetables contaminated with soil
What are the symptoms?
Flu-like symptoms (eg high temperature, aches and pains)
Nausea or vomiting
Diarrhoea
Can spread to nervous system and cause convulsions
In rare cases, can lead to septicemia (blood poisoning) or meningitis
How can you avoid/control it?
Avoid cross-contaminationThis happens when bacteria get transferred from raw foods to other foods, especially if they are to be eaten without cooking. For example, cross-contamination can occur if meat juices from a steak on the second shelf of a fridge drip down onto a salad on the shelf below.
Reheat ready-to-eat foods until steaming hot all the way through (core temperature of 70℃)
Use pasteurised milk and cheeses
Wash raw vegetables
Store raw meat correctly (on the bottom shelf of the fridge, under any cooked meat)