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.
Pirš M, Andlovic A, Cerar T, Žohar-Čretnik T, Kobola L, Kolman J, Frelih T, Prešern-Štrukelj M, Ružić-Sabljić E, Seme K.Pirš M, et al. Among authors: cerar t.Euro Surveill. 2011 Dec 15;16(50):20042.Euro Surveill. 2011.PMID: 22221496Free article.