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.
Kohli R, Lo Y, Howard AA, Buono D, Floris-Moore M, Klein RS, Schoenbaum EE.Kohli R, et al.Clin Infect Dis. 2005 Sep 15;41(6):864-72. doi: 10.1086/432883. Epub 2005 Aug 16.Clin Infect Dis. 2005.PMID: 16107987