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.
Granoff DM, Holmes SJ, Belshe RB, Osterholm MT, McHugh JE, Anderson EL.Granoff DM, et al. Among authors: holmes sj.JAMA. 1994 Oct 12;272(14):1116-21.JAMA. 1994.PMID: 7933324Clinical Trial.