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Vaccinations - Equine
West Nile Virus
First dose: 3-4 months,Second dose: 1 month later (plus 3rd dose at 6 months in endemic area). Annual booster is after primary series. In endemic areas, booster as required or warranted due to the local conditions conducive to disease risk. Vaccinate semi-annually or more frequently (ever 4 months), depending on risk.
Tetanus Toxoid
From non vaccinated mare: First dose: 3 to 4 months. Second dose: 4 to 5 months. From vaccinated mare: First dose: 6 months. Second dose: 7 months. Third dose: 8 to 9 months. Booster is annually.
Encephalomyelitis (VEE, EEE, WEE)
EEE (in high-risk areas): First dose: 3 to 4 months. Second dose: 4 to 5 months. Third dose: 5 to 6 months.
WEE, EEE (in low-risk areas) and VEE:
From non vaccinated mare: First dose: 3 to 4 months. Second dose: 4 to 5 months. Third dose 5 to 6 months.
From vaccinated mare: First dose: 6 months. Second dose: 7 months. Third dose: 8 months.
Booster is annually in the spring.
Influenza
Inactivated injectable: From non vaccinated mare:
First dose: 6 months. Second dose 7 months. Third dose: 8 months. Then at 3 month intervals.
From vaccinated mare: First dose: 9 months. Second dose: 10 months. Third dose: 11 to 12 months. Then at 3-month intervals.
Intranasal modified live virus:First dose 11 months; has been safely administrated to foals less than 11 months.
Vaccinate semi-annually or more frequently (ever 4 months), depending on risk.
Rhinopneumonitis (EHV-1 and EHV-4)
First dose: 4 to 6 months. Second dose: 5 to 7 months. Third dose: 6 to 8 months. Then at 3-month intervals
Booster every 3 to 4 months, up to annually.
Strangles
Injectable: First dose: 4 to 6 months. Second dose: 5 to 7 months, Third dose: 7 to 8 months. (depending on the product used) Fourth dose: 12 months. Booster semi-annual
Rabies
Foals born to non vaccinated mares: First dose: 3 to 4 months. Second dose: 12 months.
Foals born to vaccinated mares: First dose: 6 months. Second dose: 7 months. Third dose: 12 months.
Booster is annual
Potomac Horse Fever
First dose: 5 to 6 months. Second dose: 6 to 7 months. Booster semi-annual
Botulism
3-dose series of toxoid at 30-day intervals starting at 2 to 3 months of age.
Equine Viral Arteritis
Intact colts intended to be breeding stallions: One dose at 6 to 12 months of age. Booster is annual for colts intended to be breeding stallions
Rotavirus A
Vaccinate mares at 8, 9 and 10 months of gestation, each pregnancy. Passive transfer of antibodies aid in prevention of rotoviral diarrhea in foals. Little value to vaccinate foal because of insufficient time to develop antibodies to protect during susceptible age. Booster is not needed
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