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.
Pérez P, Marín MQ, Lázaro-Frías A, Sorzano CÓS, Di Pilato M, Gómez CE, Esteban M, García-Arriaza J.Pérez P, et al. Among authors: sorzano cos.Vaccines (Basel). 2019 Dec 6;7(4):208. doi: 10.3390/vaccines7040208.Vaccines (Basel). 2019.PMID: 31817622Free PMC article.