Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Listeria (Listeriosis)
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
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What Is It?
- Listeriosis (Listeria monocytogenes infection) facts
- What is listeriosis? What causes listeriosis?
- What is the government doing about listeriosis?
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Causes
- How does a person get listeriosis?
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Symptoms
- What are listeriosis symptoms and signs?
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Contagious
- Is Listeria contagious?
- How does listeriosis spread?
- What is the incubation period for Listeria?
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Infection Last
- How long does a Listeria infection last?
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Doctors and Specialists
- What types of doctors treat listeriosis?
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Diagnosis
- How do health care professionals diagnose listeriosis?
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Treatment
- What is the treatment for listeriosis?
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Home Remedies
- Are there home remedies for listeriosis?
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Risks and Complications
- What are the risk factors for listeriosis?
- What are the complications of listeriosis?
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Prevention
- Is it possible to prevent listeriosis?
- If a person has eaten recalled food potentially contaminated with Listeria, what should he or she do?
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Prognosis
- What is the prognosis for Listeria infections?
Listeriosis (Listeria monocytogenes infection) facts
- Listeriosis is a disease caused by a rod-shaped gram-positive bacterium named Listeria that can penetrate and replicate inside human cells.
- Symptoms of listeriosis are variable; most people who are infected have few or no symptoms; when symptoms of Listeria infection are present, they usually consist of
- Some people may develop more severe symptoms such as
