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.
Madhi SA, Cutland CL, Downs S, Jones S, van Niekerk N, Simoes EAF, Nunes MC.Madhi SA, et al.Clin Infect Dis. 2018 May 17;66(11):1658-1665. doi: 10.1093/cid/cix1088.Clin Infect Dis. 2018.PMID: 29253090Free PMC article.
Johnson HR, Downs SL, Miller JM.Johnson HR, et al. Among authors: downs sl.J Natl Med Assoc. 1986 Oct;78(10):991-2.J Natl Med Assoc. 1986.PMID: 3783754Free PMC article.