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. 2007 Nov 15;45(10):1338–1342. doi: 10.1086/522538

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© 2007 by the Infectious Diseases Society of America

This article is made available via the PMC Open Access Subset for unrestricted re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections.

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Potential cross-contamination of the isolation unit (A). This issue could be minimized by using separate entrance and exit pathways for health care workers (HCWs) and patients and by creating a one-way entrance and one-way exit for patients (B). Dressing room (clean), room where HCWs put on personal protective equipment; dressing room (dirty), room where HCWs remove contaminated personal protective equipment after leaving the contaminated zone.