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Volume 12, Number 2—February 2006


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

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Table 3

Description of 22 cases of pneumonia with identification of ameba-associated and nonameba-associated microorganisms*

Ameba-associated level of evidence
Nonameba-associated identification
High Low Definite Possible
Acanthamoeba polyphaga mimivirus† Staphylococcus aureus†
A. polyphaga mimivirus Chlamydia pneumoniae
Mesorhizobium amorphae, Rasbo bacterium Pseudomonas aeruginosa, Balneatrix alpica
Legionella pneumophila HSV1
L. anisa Serratia marcescens†
A. polyphaga mimivirus P. aeruginosa
L. pneumophila P. aeruginosa
L. pneumophila Candida albicans
Bosea massiliensis, Bradyrhizobium japonicum Escherichia coli†
Parachlamydia sp. Streptococcus pneumoniae
A. polyphaga mimivirus Enterobacter cloacae, C. pneumoniae
A. polyphaga mimivirus CMV
A. polyphaga mimivirus E. cloacae
A. polyphaga mimivirus E. aerogenes, P. aeruginosa
A. polyphaga mimivirus P. aeruginosa
A. polyphaga mimivirus S. aureus
Bosea thiooxydans, A. polyphaga mimivirus S. aureus
B. massiliensis, B. japonicum, R. bacterium Proteus mirabilis, S. aureus
B. massilensis, B. japonicum HSV1
Bradyrhizobium liaoningense S. aureus
B. liaoningense P. aeruginosa
B. liaoningense Stenotrophomonas maltophilia

*HSV1, herpes simplex virus 1; CMV, cytomegalovirus.
†Community-acquired pneumonia.

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