From 16th March 2019 it will be a standard requirement that all horses running in Ireland must have been vaccinated on or after 18th January 2019 with a vaccine representing Clade 1. Horses vaccinated with the appropriate vaccination on or after 18th January 2019, will not be required to receive a further emergency booster vaccination.
In accordance with the Rules, horses are not qualified to run if they have received a vaccination within the previous 7 days – 6 clear days must elapse between date of vaccination and date of race (e.g., a horse vaccinated on a Friday can run the following Friday). IHRB Veterinary Officers and Assistants will continue to carry out veterinary inspections with increased scrutiny at entrances to racecourse stables on all horses – Trainers and Handlers are advised that if any horse shows any sign of respiratory disease, they will not be allowed to enter racecourse stables or race.
Further information can be found