Listeria monocytogenes only occasionally causes bacterial meningitis in immunocompetent children. We report a case of L. monocytogenes meningitis associated with rotavirus gastroenteritis. The patient was a previously healthy 20-month-old girl who was admitted because of sustained fever and lethargy after suffering from gastroenteritis for 6 days. The patient’s peripheral white blood cell count was 18,600/μL and the C-reactive protein level was 2.44 mg/dL. A stool sample tested positive for rotavirus antigen. A cerebrospinal fluid (CSF) sample showed pleocytosis. Cultures of the CSF and stool samples revealed the presence of L. monocytogenes. The patient was successfully treated with ampicillin and gentamicin. We speculate that translocation of enteric flora across the intestinal epithelium that had been damaged by rotavirus gastroenteritis might have caused bacteremia that disseminated into the CSF. Both listeriosis and secondary systemic infection after rotavirus gastroenteritis are rare but not unknown. Initiation of appropriate treatment as soon as possible is important for all types of bacterial meningitis. This rare but serious complication should be taken into consideration even if the patient does not have any medical history of immune-related problems.
- Listeria monocytogenes
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