Shown to be effective for the vaccination of healthy horses 6 months of age or older against Eastern and Western encephalomyelitis viruses, tetanus, and West Nile Virus.  A combination of inactivated, concentrated, adjuvanted, tissue culture origin equine encephalomyelitis viruses (Eastern and Western), West Nile virus — flavivirus chimera and tetanus toxoid.

For primary vaccination aseptically administer 1ml intramuscularly, repeat with a single dose in 3-4 weeks.  Historically, annual revacccination with this product has been recommended.  The need for this booster has not been established.  The presence of maternal antibody is known to interfere with the development of active immunity in foals and additional boosters will be required in most young animals.  

Sold by the individual pre-loaded 1ml dose or 10 dose tank.