Related Experiment Video
Updated: Jun 13, 2026

Inducing Meningococcal Meningitis Serogroup C in Mice via Intracisternal Delivery
Published on: November 5, 2019
Enterococcus gallinarum meningitis in an immunocompetent host: a case report
Vicente Sperb Antonello1, Francis de Moura Zenkner, Josiane França
1Department of Infectious Diseases, Hospital Nossa Senhora da Conceição, Porto Alegre, RS, Brazil.
Abstract:
We describe a rare case of a 53-year-old man with a long history of alcohol abuse, with Enterococcus gallinarum meningitis, an organism that rarely causes human infection and is primarily found in the gastrointestinal tract of poultry. The patient improved with high-dose ampicillin and gentamicin therapy. To our knowledge, this is the first Brazilian reported case of E. gallinarum meningitis and probably the first case described in an immunocompetent host.
Insights
A rare Enterococcus gallinarum meningitis case occurred in an immunocompetent Brazilian man with alcohol abuse history. High-dose ampicillin and gentamicin effectively treated this unusual poultry-associated bacterial infection.
Area of Science:
- * Infectious Diseases
- * Neurology
- * Microbiology
Background:
- * Enterococcus gallinarum is a rare cause of human infection, typically found in poultry gastrointestinal tracts.
- * Meningitis, an inflammation of the membranes surrounding the brain and spinal cord, can have diverse etiologies.
- * Alcohol abuse is a known risk factor for various infections, potentially compromising immune function.
Observation:
- * A 53-year-old male patient with a history of alcohol abuse presented with symptoms suggestive of meningitis.
- * Diagnostic tests confirmed Enterococcus gallinarum as the causative agent of meningitis.
- * This represents a rare instance of E. gallinarum infection in humans, particularly in an immunocompetent host.
Findings:
- * The patient received high-dose ampicillin and gentamicin, leading to clinical improvement.
- * This case is the first reported instance of E. gallinarum meningitis in Brazil.
- * It is likely the first documented case in an immunocompetent individual.
Implications:
- * Highlights the potential for E. gallinarum to cause invasive infections in humans, even in immunocompetent hosts.
- * Underscores the importance of considering unusual pathogens in meningitis cases, especially in patients with risk factors like alcohol abuse.
- * Suggests ampicillin and gentamicin as a potential effective treatment regimen for E. gallinarum meningitis.
Related Concept Videos
Bacterial Meningitis I: Introduction
Bacterial Meningitis
Viral Meningitis
Bacterial Meningitis II: Pathophysiology
Encephalitis l: Introduction
Cryptococcal Meningitis
