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.
Sei S, Akiyoshi H, Bernard J, Venzon DJ, Fox CH, Schwartzentruber DJ, Anderson BD, Kopp JB, Mueller BU, Pizzo PA.Sei S, et al. Among authors: venzon dj.J Infect Dis. 1996 Jun;173(6):1485-90. doi: 10.1093/infdis/173.6.1485.J Infect Dis. 1996.PMID: 8648226