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.
NOTE: Paper delivered at the 4th Workshop of the Pugwash Study Group on the Implementation of the Chemical and Biological Weapons Conventions: "Strengthening the Biological Weapons Convention," Geneva, Switzerland, December 2-3, 1995.