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.
Jackson C, Stagg HR, Doshi A, Pan D, Sinha A, Batra R, Batra S, Abubakar I, Lipman M.Jackson C, et al. Among authors: stagg hr.Public Health Action. 2017 Jun 21;7(2):134-140. doi: 10.5588/pha.16.0107.Public Health Action. 2017.PMID: 28695087Free PMC article.