Figure 2.

Social networks of hospital inpatients derived from electronic medical record data in which patients are represented by nodes, and the epidemiologic links between them are represented by edges. Images shown depict patients on an single medical ward, on a single day. (A) Network showing links based on room-sharing only. (B) Network showing links based on healthcare workers-sharing. Closed circles represent patients on the medical ward itself, while open circles represent patients in other units.