Article 1003 Equine Influenza Vaccination Requirements 1. All proprietary Equine Influenza vaccines are accepted by the FEI, provided the route of administration complies with the manufacturer’s instructions (i.e. intramuscular injection or intranasal). 2. An initial Primary Course of two vaccinations must be given; the second vaccination must be administered within 21-92 days of the first vaccination. 3. The first booster must be administered within 7 calendar months following the date of administration of the second vaccination of the Primary Course. 4. Booster vaccinations must be administered at a maximum of 12 month intervals however Horses competing in Events must have received a booster within 6 months +21 days (and not within 7 days) before arrival at the Event. 5. Horses may compete 7 days after receiving the second vaccination of the primary course. 6. Horses that have received the Primary Course prior to 1 January 2005 are not required to fulfil the requirement for the first booster, providing there has not been an interval of more than 12 months between each of their subsequent annual booster vaccinations.