1. Council Directive 92/40/EEC of 19 May 1992 introducing Community measures for the control of avian influenza. Official Journal of the European Commission L167:1–15.
2. Commission Decision 2005/744/EC of 21 October 2005 laying down the requirements for the prevention of highly pathogenic avian influenza caused by influenza A virus of subtype H5N1 in susceptible birds kept in zoos in the Member States. Official Journal of the European Commission L279:75–78.
3. Gallimune Flu H5N9 Fact sheet (01273-DM M/EE/AE), Merial, Avian Global Enterprise, Singapore; 2005.
4. Highly pathogenic avian influenza (H7N7): vaccination of zoo birds and transmission to non-poultry species;Philippa;Vaccine,2005
5. Field study on the use of inactivated H5N2 vaccine in avian species;Oh;Vet Rec,2005