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.
Lima-Barbero JF, Contreras M, Bartley K, Price DRG, Nunn F, Sanchez-Sanchez M, Prado E, Höfle U, Villar M, Nisbet AJ, de la Fuente J.Lima-Barbero JF, et al. Among authors: nisbet aj.Vaccines (Basel). 2019 Sep 19;7(3):121. doi: 10.3390/vaccines7030121.Vaccines (Basel). 2019.PMID: 31546944Free PMC article.