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.
Lochmann TL, Bann DV, Ryan EP, Beyer AR, Mao A, Cochrane A, Parent LJ.Lochmann TL, et al. Among authors: beyer ar.Virus Res. 2013 Feb;171(2):304-18. doi: 10.1016/j.virusres.2012.09.011. Epub 2012 Oct 2.Virus Res. 2013.PMID: 23036987Free PMC article.