Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
* If the criteria for inclusion/exclusion of subjects are met and all necessary information has been collected before the administration, the registration date (the date written consent and permission to use data are obtained) and the administration date may be the same. ** Second injection was at least 6 months after the first injection.
