“…In addition, outbreaks have resulted from construction in hospital locations remote from where the patients were housed but where ancillary procedures were performed such as radiology [38]. Contaminated air vents or filters have often been the source of infection [21,31,32,41,46]. Other environmental sources of infection have included contaminated objects including syringes and spinal needles [22,23], a liquid nitrogen tank near the operating room [27], gauze used to cover venipuncture sites [28], dressing supplies [47], latex finger stalls [48], and electronic equipment in the operating room [49].…”