http://www.oie.int/downld/Prep_conf_Avian_inf/Terrestrial%20Code/Terrestrial%20Code_guidelines%20for%20the%20surveillance%20AI.pdf

It presents the appendix of the OIE terrestrial animal health code - 2005 that defines principles and provides a guide for the surveillance of notifiable avian influenza (NAI), applicable to countries seeking recognition for a declared NAI status, with or without the use of vaccination. Document on PDF format, Acrobat Reader required.