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.
Albrecht MT, Eyles JE, Baillie LW, Keane-Myers AM.Albrecht MT, et al.FEMS Immunol Med Microbiol. 2012 Aug;65(3):505-9. doi: 10.1111/j.1574-695X.2012.00974.x. Epub 2012 May 21.FEMS Immunol Med Microbiol. 2012.PMID: 22515653Free article.