In the last dacade,an increasing incidence ofnonfermentative gram negative bacillus emerged,especially Acinetobacter spp.(mostly Acinetobacter baumannii) and Pseudomonas aeruginosa.Acinetobacter spp.is an opportunistic pathogen,it is found in many health care environments,soil,and water,and is a very effective human colonizer in the hospital.A.baumannii currently became one of the most important clinical pathogens,such as Escherichia coli,P aeruginosa,and Staphylococcus aureus.


  A.baumannii is emerging a...