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.
Hoffmann M, Wu YJ, Gerber M, Berger-Rentsch M, Heimrich B, Schwemmle M, Zimmer G.Hoffmann M, et al. Among authors: zimmer g.J Gen Virol. 2010 Nov;91(Pt 11):2782-93. doi: 10.1099/vir.0.023978-0. Epub 2010 Jul 14.J Gen Virol. 2010.PMID: 20631091