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Legionellosis in an infant: first case in Italy
Insights
A young boy recently contracted Legionella pneumophila serogroup 1 pneumonia. Prompt antibiotic treatment with cefuroxime led to a favorable clinical outcome and recovery.
Area of Science:
- Pediatric Infectious Diseases
- Microbiology
- Immunology
Background:
- Febrile acute pneumonia is a common pediatric admission diagnosis.
- Legionella pneumophila is an important bacterial cause of pneumonia.
- Serogroup 1 is a common serogroup implicated in human infections.
Observation:
- An 18-month-old boy presented with febrile acute pneumonia.
- Indirect immunofluorescence assay detected significant seroconversion for Legionella pneumophila serogroup 1.
- This seroconversion indicated a recent infection.
Findings:
- The patient experienced a favorable clinical course.
- Prompt administration of cefuroxime, an antibiotic stable to beta-lactamase, resulted in recovery.
- The findings highlight a specific case of pediatric Legionnaires' disease.
Implications:
- Early diagnosis and appropriate antibiotic therapy are crucial for favorable outcomes in pediatric Legionnaires' disease.
- Cefuroxime is an effective treatment option for Legionella pneumophila infections.
- This case underscores the importance of considering Legionella in the differential diagnosis of pediatric pneumonia.
Abstract:
Among several children admitted in Hospital with febrile acute pneumonia, it has been found - by indirect immunofluorescence assay a significant seroconversion for Legionella pneumophila serogroup 1, compatible with a recent infection, in an 18-month-old boy. The clinical course of the disease was favourable, and a prompt recovery as observed after administration of an antibiotic (cefuroxime) stable to the bacterial beta-lactamase.