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.
Alleman TW, Vergeynst J, De Visscher L, Rollier M, Torfs E; Belgian Collaborative Group on COVID-19 Hospital Surveillance; Nopens I, Baetens JM.Alleman TW, et al. Among authors: torfs e.Epidemics. 2021 Dec;37:100505. doi: 10.1016/j.epidem.2021.100505. Epub 2021 Oct 2.Epidemics. 2021.PMID: 34649183Free PMC article.