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.
McCreesh N, Karat AS, Govender I, Baisley K, Diaconu K, Yates TA, Houben RM, Kielmann K, Grant AD, White R.McCreesh N, et al. Among authors: kielmann k.BMJ Glob Health. 2022 Apr;7(4):e007136. doi: 10.1136/bmjgh-2021-007136.BMJ Glob Health. 2022.PMID: 35396264Free PMC article.