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. Author manuscript; available in PMC: 2018 Jan 1.
Published in final edited form as: J Hosp Infect. 2016 Nov 4;95(1):91–97. doi: 10.1016/j.jhin.2016.10.022

Figure 1.

Figure 1

Two-week Snapshot of MRSA Colonization Pressure in the NICU. Three hypothetical patients are shown. Some neonates that acquire MRSA colonization are decolonized (treated). Above we depict how neonates contribute to and are exposed to treated and untreated colonization pressure. In week 1, patients 1 and 3 are at risk for MRSA colonization and are exposed to seven days of untreated person-time from an untreated MRSA carrier (patient 2). In week 2, only patient 1 remains at-risk for incident MRSA colonization and is exposed to two days of untreated person-time (patient 3) as well as seven days of treated person-time (patient 2).