Secretary-General highlights crucial work done to strengthen barriers against biological weapons, bioterrorism, in message to Geneva meeting : [message, to the Meeting Of States Parties of the Convention on the Prohibition of the Development, Production and Stockpiling of Bacteriological (Biological) and Toxin Weapons and on Their Destruction, Geneva, 1-5 December 2008] / [on behalf of the UN Secretary-General by the Director-General, United Nations Office at Geneva]