Equine Potomavac from Merial is for the vaccination of healthy horses, 3 months of age or older, against Potomac Horse Fever caused by E. risticii.
Dosage:
For primary vaccination, aseptically inject 1 mL (1 dose) intramuscularly into healthy horses 3 months of age or older. Revaccinate with a second 1 mL dose 3 to 4 weeks later. Revaccinate annually with a single 1 mL dose.