Changes

**'''Live''' vaccines using purified haemagglutinin do not require adjuvants

**'''Live''' vaccines using purified haemagglutinin do not require adjuvants

**UK Jockey Club rules regarding timing:

**UK Jockey Club rules regarding timing:

***Horses must be certified as completing a vaccination course of 3 injections at least 10 days prior to racing

***Horses must be certified as completing a vaccination course of 3 injections at least 8 days prior to racing

***The course consists of a primary inoculation followed by a second within 21-92 days and a third after a further 150-215 days

***The course consists of a primary inoculation followed by a second within 21-92 days and a third after a further 150-215 days

***Boosters are given annually to maintain immunity, and in the event a year is missed the initial course of three jabs must be repeated

***Boosters are given annually to maintain immunity, and in the event a year is missed the initial course of three jabs must be repeated