We report an outbreak of ventilator-associated pneumonia caused by carbapenem-resistant Acinetobacter baumannii in 6 infants with acute lower respiratory tract infection. Non-bronchoscopic bronchoalveolar lavage isolated A. baumannii in all these infants. Environmental microbiological survey of the Pediatric intensive care unit and pediatric wards identified oxygen humidifying chambers as the source of Acinetobacter. Practices of cleaning and changing of the humidifiers were reviewed and the outbreak was controlled with new recommendations.
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