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P263 Nosocomial pneumonia caused by legionella pneumophila in a paediatric hematopoietic stem cell transplantation recipient for thalassemia major
  1. Tuğba Erat1,
  2. Aysun Yahşi1,
  3. Tuğçe Tural Kara1,
  4. Halil Özdemir1,
  5. Elif Ünal Ince2,
  6. Ergin Çiftçi1,
  7. Erdal Ince1
  1. Ankara University Faculty of Medicine
  2. 1Department of Paediatric Infectious Diseases
  3. 2Department of Paediatric Haematology and Oncology, Ankara, Turkey


A nosocomial pneumonia caused by Legionella pneumophilaserogroup 2oc–14oc curred in a 7-year-old patient following allogeneic hematopoietic stem cell transplantation for thalassemia major. The patient was diagnosed as nosocomial Legionella pneumonia by a polymerase chain reaction (PCR) from bronchoalveolar lavage and a culture of L. pneumophilaserogroup 2–14 from patient’s room faucet water. Legionella was eradicated from our hospital’s water distribution system by superheating and chemical eradication methods (hyper-chlorination and hydrogen peroxide). We did not detect any case after this event. Early recognition of contamination of hospital water system with Leigonella proves the importance of prevention new cases.

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