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.
Teffo LA, Tabit FT.Teffo LA, et al. Among authors: tabit ft.BMC Public Health. 2020 Mar 12;20(1):311. doi: 10.1186/s12889-020-8430-5.BMC Public Health. 2020.PMID: 32164674Free PMC article.