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Updated: Aug 4, 2026

08:38
Oral Transmission of Listeria monocytogenes in Mice via Ingestion of Contaminated Food
Published on: May 6, 2013
[Neonatal listeriosis]
Cristina Heras1, Vicente García-Patos, Lucía Palacio
1Servicio de Dermatología, Hospital Vall d'Hebron, Barcelona, Spain. 38786chm@comb.es
Actas Dermo-Sifiliograficas
|March 17, 2006
Summary
Neonatal Listeria monocytogenes infection, a rare cause of pustulosis, can be effectively treated with ampicillin and gentamicin. Rapid diagnosis of this serious neonatal condition is possible through cytological study and quick stain techniques.
Area of Science:
- Neonatal infectious diseases
- Microbiology
- Dermatology
Background:
- Listeriosis is a bacterial infection caused by Listeria monocytogenes.
- Neonatal listeriosis is infrequent but can manifest as pustulosis.
- Infections are acquired vertically from the mother.
Observation:
- A case of neonatal Listeria monocytogenes infection presenting with pustulosis is described.
- The infant's condition improved with intravenous ampicillin and gentamicin treatment.
Findings:
- Listeria monocytogenes can cause neonatal pustulosis.
- Early-onset and late-onset forms of neonatal listeriosis exist, acquired through different transmission routes.
- Cytological study and Gram stain enable rapid diagnosis of neonatal pustulosis.
Implications:
- Prompt diagnosis and treatment are crucial for favorable outcomes in neonatal listeriosis.
- Ampicillin and gentamicin are effective therapeutic options.
- Raising awareness of Listeria monocytogenes as a cause of neonatal pustulosis is important for clinicians.
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