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. 2017 Apr 22;91:52–57. doi: 10.1016/j.jcv.2017.04.001

Table 2.

Distribution of identified pathogens among patients with hospital-acquired pneumonia.

Pathogens N (%)
Bacteria (n = 90)
 Non-fermenting Gram-negative bacilli 37 (39)
  Pseudomonas aeruginosa 29 (31)
  Stenotrophomas maltophilia 6 (6)
  Acinetobacter baumanii 2 (2)
 Enterobacteria 34 (36)
  Enterobacter species 12 (13)
  Escherichia coli 8 (8)
  Klebsiella species 7 (7)
  Hafnia alveii 4 (4)
  Proteus mirabilis 1 (1)
  Citrobacter koserii 1 (1)
 Serratia marcescens 1 (1)
MSSAa 10 (11)
Others 9 (9)
 Enterococcus species 4 (4)
 Haemophilius influenza 3 (3)
 Branhamella catarrhalis 2 (2)



Respiratory Viruses (n = 30)
 Influenza 8 (8)
 Rhinovirus 8 (8)
 Respiratory Syncytial Virus (RSV) 5 (5)
 Parainfluenza 4 (4)
 Bocavirus 2 (2)
 Adenovirus 1 (1)
 Coronavirus 1 (1)
 Metapneumovirus 1 (1)
Others (n = 10)
 Herpes Simplex Virus 7 (7)
 Aspergillus species 2 (2)
 Pneumocystis jirovecii 1 (1)
a

Methicillin-sensitive Staphylococcus aureus.