Listeria monocytogenes


Standard Precautions
Standard Precautions

General Information

Pathogen information

Aerobic gram positive bacilli


Usually causes infection in neonates, pregnant women, elderly, and immunocompromised patients.

Foodborne illness associated with deli meat, soft cheeses, unpasteurized milk, and others.

Often occurs in outbreaks.

Associated syndromes

Severe/Invasive disease: meningitis, meningoencephalitis, bacteremia, endocarditis.

Non-invasive disease: febrile gastroenteritis.

Often resolves without treatment.

Treatment recommended if immunocompromised, elderly, or pregnant (amoxicillin or TMP-SMX).

Additional Information

Infectious Disease consultation recommended.