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.
Barthel M, Hapfelmeier S, Quintanilla-Martínez L, Kremer M, Rohde M, Hogardt M, Pfeffer K, Rüssmann H, Hardt WD.Barthel M, et al. Among authors: hardt wd.Infect Immun. 2003 May;71(5):2839-58. doi: 10.1128/IAI.71.5.2839-2858.2003.Infect Immun. 2003.PMID: 12704158Free PMC article.