An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Tschudin-Sutter S, Frei R, Kampf G, Tamm M, Pflimlin E, Battegay M, Widmer AF.Tschudin-Sutter S, et al.Infect Control Hosp Epidemiol. 2011 Dec;32(12):1173-8. doi: 10.1086/662624. Epub 2011 Oct 27.Infect Control Hosp Epidemiol. 2011.PMID: 22080655