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.
Influenza (United States. Federal Security Agency)
Series Title(s):
Health information series (United States. Public Health Service)
Contributor(s):
United States. Federal Security Agency, issuing body.
Publication:
Washington, D.C. : Federal Security Agency, Public Health Service, [between 1940 and 1960?] Distributed: Washington, D.C. : For sale by the Superintendent of Documents, U.S. Government Printing Office