How Do Foods Become Contaminated With Listeria. However ready-to-eat food can become contaminated after processing within the. If the machinery used to make the ice cream was contaminated and not properly maintained or cleaned Listeria bacteria can thrive for months.
The bacterium either clings to the natural unwashed vegetables or is introduced in an unsanitary facility into processed foods. Animals can carry the bacterium without appearing ill and can contaminate foods of animal origin such as meats. Healthy adults and children occasionally get infected with Listeria but they rarely become seriously ill.
If the machinery used to make the ice cream was contaminated and not properly maintained or cleaned Listeria bacteria can thrive for months.
The bacterium either clings to the natural unwashed vegetables or is introduced in an unsanitary facility into processed foods. The bacterium either clings to the natural unwashed vegetables or is introduced in an unsanitary facility into processed foods. Fruits and vegetables that are not properly washed can contaminate foods to which they are added such as salads. The best way to avoid Listeria contamination from your floors and drains is to clean and disinfect them regularly.
