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.
Umarje SP, Alexander CG, Cohen AJ.Umarje SP, et al. Among authors: alexander cg.Open Forum Infect Dis. 2021 Oct 23;8(12):ofab538. doi: 10.1093/ofid/ofab538. eCollection 2021 Dec.Open Forum Infect Dis. 2021.PMID: 34901300Free PMC article.
Alexander CG, Jürgens MC, Shepherd DA, Freund SM, Ashcroft AE, Ferguson N.Alexander CG, et al.Proc Natl Acad Sci U S A. 2013 Jul 23;110(30):E2782-91. doi: 10.1073/pnas.1308846110. Epub 2013 Jul 3.Proc Natl Acad Sci U S A. 2013.PMID: 23824290Free PMC article.