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.
Heffelfinger JD, Kool JL, Fridkin S, Fraser VJ, Hageman J, Carpenter J, Whitney CG; Society for Healthcare Epidemiology of America.Heffelfinger JD, et al.Infect Control Hosp Epidemiol. 2003 Aug;24(8):569-74. doi: 10.1086/502256.Infect Control Hosp Epidemiol. 2003.PMID: 12940576