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.
Red and white poster shaped like a stop sign. The print is in white and the details on when and where to give blood are listed at the bottom of the poster.
Copyright:
The National Library of Medicine believes this item to be in the public domain. (More information)