Fig. 2

Outbreak profiling with WGS analysis and inference of the most likely transmission events. WGS: whole genome sequencing; CRAB: carbapenem-resistant A. baumannii; ICU: intensive care unit. Patients’ samples refer to: P1: blood (25/2, 27/2, 13/3,20/3, 22/3, 3/4, 10/4), bronchial aspirate (26/2,4/3,10/4), bile (25/2), peritoneal fluid (25/2, 10/4), urine (26/2), rectal swab (26/2,4/3,13/3,17/3,22/3,4/4), skin (26/2,4/3,13/3,17/3,22/3,4/4); P2: blood (28/2), urine (28/2), skin (28/2), rectal swab (28/2); P3: skin (8/3); P4: urine (14/3,18/3), central venous catheter insertion tip (14/3), skin (14/3), rectal swab (14/3); P5: bronchial aspirate (15/3, 21/3), rectal swab (16/3, 20/3), skin (16/3, 20/3); P6: blood (22/3), bronchial aspirate (22/3), decubitus ulcers (22/3), skin (22/3), rectal swab (22/3); P7: blood (28/3), bronchial aspirate (27/3), skin (27/3), rectal swab (27/3). Environmental samples refer to: Ab274: bedside table handle in the P1 area; Ab280: linen counter handle in front of the P2 area; Ab281: emergency joint cart located in open bay space; Ab272: multi-monitor controls; Ab279: medical equipment cart/ medication cart; Ab283: P1 IV pole (grab area); Ab285: P1 bed