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For vaccination of healthy horses 6 months of age or older, as an aid in the prevention of disease caused by Eastern and Western encephalomyelitis (EEE and WEE) viruses and tetanus, as an aid in the control of respiratory disease caused by equine influenza virus (EIV), equine herpesvirus type 1 (EHV-1) and equine herpesvirus type 4 (EHV-4), as an aid in reduction of virus shedding of EIV, EHV-1 and EHV-4 and as an aid in reduction of disease, encephalitis and viremia caused by West Nile virus. Duration of immunity (DOI) has been shown to be at least 6 months for EIV.
1. Data on file, Merck Animal Health.
For primary vaccination aseptically administer 1 mL intramuscularly, repeat with a single dose in 3-4 weeks. Annual revaccination is recommended. A booster dose can be administered at more frequent intervals based upon individual horse or farm disease risk assessment or any time epidemic conditions exist or are reported. Consult your veterinarian.
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