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.
Bruna-Romero O, Rocha CD, Tsuji M, Gazzinelli RT.Bruna-Romero O, et al. Among authors: gazzinelli rt.Vaccine. 2004 Sep 9;22(27-28):3575-84. doi: 10.1016/j.vaccine.2004.03.050.Vaccine. 2004.PMID: 15315836