This vaccine is intended for healthy horses, ages 6 month and older. Prestige West Nile 1ds comes in a single dose vial and ten dose tanks. Give 1mL intramuscularly, repeat a single dose 3-4 weeks after the initial injection. Vaccinate again every year with a single 1mL dose, or prior to suspected exposure. West Nile Virus. Shake well before using. Not tested in pregnant animals.
