Home2011 Treaties and Agreements ...Armenia (11-114) – Agreement Concerning Cooperation in the Area of Prevention of Proliferation of Technology, Pathogens and Expertise That Could Be Used In the Development of Biological Weapons hide Armenia (11-114) – Agreement Concerning Cooperation in the Area of Prevention of Proliferation of Technology, Pathogens and Expertise That Could Be Used In the Development of Biological Weapons TIAS Office of Treaty Affairs January 14, 2011 Nonproliferation: Biological Weapons Agreement signed at Washington and Yerevan September 3 and 16, 2010; entered into force January 14, 2011. Download attachment [479 KB] Tags Armenia Arms Control and Nonproliferation International Law, Treaties, and Agreements