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How does listeriosis affect the body?

Diana Meeks
Diana Meeks on behalf of Sigma Nursing
Family Practitioner

Like with all bacterial infections caused by food poisoning, people with listeriosis are primarily affected by the Listeria bacteria that begin to grow and infect the digestive tract. This infection of the stomach and intestine is what causes the initial, flu-like symptoms for many people. If you have a weakened immune system or other condition that causes the infection to worsen rather than clear up, the infection can continue to grow and spread deeper in the body, affecting your bloodstream. From the blood, infection can then set into multiple organs in your body. It can even spread into your fetus if you are a pregnant woman.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.