Veille documentaire MTPH

Médecine du travail du personnel hospitalier

Outbreak of adenovirus type 1 severe pneumonia in a French intensive care unit, September-October 2012

Auteur     N. Cassir
Auteur     S. Hraiech
Auteur     A. Nougairede
Auteur     C. Zandotti
Auteur     P. E. Fournier
Auteur     L. Papazian
Volume     19
Numéro     39
Publication     Euro Surveillance: Bulletin Européen Sur Les Maladies Transmissibles = European Communicable Disease Bulletin
Date     2014
Résumé     We herein describe and analyse the first outbreak of severe pneumonia caused by human adenovirus type1 (HAdV C type 1), which included immunocompetent patients in an intensive care unit (ICU) of Marseille, France, and occurred between September and October 2012. Seven successive patients were diagnosed by HAdV specific real-time polymerase chain reaction with a positive bronchoalveolar lavage. After the collection of nasopharyngeal swabs from healthcare workers, three nurses working night shifts tested positive for HAdV C including one that had exhibited respiratory signs while working one week before the outbreak. She was the most likely source of the outbreak. Our findings suggest that HAdV-1 could be considered as a possible cause of severe pneumonia even in immunocompetent patients with a potential to cause outbreaks in ICUs. HAdV rapid identification and typing is needed to curtail the spread of this pathogen. Reinforcing hand hygiene with antiseptics with demonstrated activity against non-enveloped viruses and ensuring that HCWs with febrile respiratory symptoms avoid direct patient contact are critical measures to prevent transmission of HAdV in healthcare settings.

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