Listeria
- Created by: jscott53135
- Created on: 20-04-18 14:48
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- Listeria Monocytogene
- Symtoms
- Gastroenteritis
- Septicaemia or meningitis
- In newborns - pneumonia, meningitis, difficulty eating and breathing
- 1-90 day incubation period
- Vets and farmers may develop skin infection on arms after contact with infected animal
- Body's natural defence mechanism against listeria is weakened during pregnancy --> birth complications and miscarriage
- Sources
- pre-cooked and chilled meals
- Salads
- Soft cheeses
- Cold cuts of meat
- Soil/manure, vegetation
- Water sewage
- Faeces and intestines of many animals
- Prevention
- Grows from below 5C to around 40C
- killed by conventional or microwave ovens and pasteurisation
- Follow storage instructions including 'use by' date
- Chicken should be cooked to core temp 75C
- Wash salads, fruit and veg before eating
- Cook-chills shouldn't be stored for more than 5 days at 3C
- Observe standing times
- Throw away left over reheated food
- Vulnerable should not help with lambing and should avoid soft cheeses and pate
- Symtoms
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