24 www.jkscience.org Vol. 11 No. 1, January-March 2009 Acinetobacter are opportunistic pathogens that readily colonize patients with compromised host defences. Acinetobacter calcoaceticus, the species usually involved in human infection, causes disease chiefly in a hospital setting usually associated with respiratory therapy equipment and indwelling catheters. Sepsis, pneumonia and urinary trac...