| multiple intensive care unit outbreak of acinetobacter calcoaceticus subspecies anitratus respiratory infection and colonization associated with contaminated, reusable ventilator circuits and resuscitation bags. | acinetobacter calcoaceticus subspecies anitratus (a. anitratus) can cause nosocomially and community acquired pneumonia. source identification of the organism is often difficult. an outbreak of respiratory infection and colonization with a. anitratus affecting 93 ventilated patients in all six of a hospital's intensive care units (icus) over 10 months is described. | 1988 | 3189366 |