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Volume 12, Number 2—February 2006

Research

Ameba-associated Microorganisms and Diagnosis of Nosocomial Pneumonia

Pierre Berger*†, Laurent Papazian‡, Michel Drancourt*†, Bernard La Scola*†, Jean-Pierre Auffray‡, and Didier Raoult*†Comments to Author 
Author affiliations: *Centre Hospitalier Universitaire La Timone, Marseille, France; †Université de la Méditerranée, Marseille, France; ‡Hôpital Sainte-Marguerite, Marseille, France

Main Article

Table 4

Identification of ameba-associated microorganisms in pneumonia and level of evidence

Microorganism High, no. (%) Low, no. (%) Total, no. (%)
Community-acquired pneumonia
Bacteria
Bosea massiliensis 1 (2.5) 1 (1.7)
Bradyrhizobium japonicum 1 (2.5) 1 (1.7)
Legionella anisa 1 (5.3) 1 (1.7)
L. pneumophila 1 (5.3) 2 (5.0)
3 (5.1)
Virus

Acanthamoeba polyphaga mimivirus
2 (10.5)
2 (3.4)
Ventilator-associated pneumonia
Bacteria
B. massiliensis 1 (5.3) 3 (7.5) 4 (6.8)
B. thiooxydans 3 (7.5) 3 (5.1)
B. japonicum 5 (12.5) 5 (8.5)
B. liaoningense 3 (7.5) 3 (5.1)
L. anisa 1 (2.5) 1 (1.7)
L. bozemanii 3 (7.5) 3 (5.1)
L. pneumophila 2 (10.5) 5 (12.5) 7 (11.9)
L. quinlivanii 1 (5.3) 1 (1.7)
L. rubrilucens 1 (5.3) 1 (2.5) 2 (3.4)
L. worsleiensis 1 (5.3) 1 (1.7)
Mesorhizobium amorphae 1 (5.3) 1 (1.7)
Parachlamydiae acanthamoebae 1 (5.3) 2 (5.0) 3 (5.1)
Rasbo bacterium 1 (5.3) 3 (7.5) 4 (6.8)
Virus

A. polyphaga mimivirus
6 (31.6)
7 (17.5)
13 (22.0)
Total 19 (100) 40 (100) 59 (100)

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