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.
Mohamed N, Li J, Ferreira CS, Little SF, Friedlander AM, Spitalny GL, Casey LS.Mohamed N, et al. Among authors: little sf.Infect Immun. 2004 Jun;72(6):3276-83. doi: 10.1128/IAI.72.6.3276-3283.2004.Infect Immun. 2004.PMID: 15155630Free PMC article.
Ribot WJ, Powell BS, Ivins BE, Little SF, Johnson WM, Hoover TA, Norris SL, Adamovicz JJ, Friedlander AM, Andrews GP.Ribot WJ, et al. Among authors: little sf.Vaccine. 2006 Apr 24;24(17):3469-76. doi: 10.1016/j.vaccine.2006.02.013. Epub 2006 Feb 21.Vaccine. 2006.PMID: 16519970
Ivins BE, Welkos SL, Little SF, Crumrine MH, Nelson GO.Ivins BE, et al. Among authors: little sf.Infect Immun. 1992 Feb;60(2):662-8. doi: 10.1128/iai.60.2.662-668.1992.Infect Immun. 1992.PMID: 1730501Free PMC article.