Merck Animal Health Prestige 2 Vaccine, 1 mL

Rhinopneumonitis, influenza vaccine. This product has been shown to be effective for the vaccination of healthy horses six months of age or older against equine influenza virus (EIV), equine herpesvirus type 1 (EHV-1) and equine herpesvirus type 4 (EHV-4). Duration of immunity has been shown at six months for EIV. This product has been shown to decrease virus shedding of EIV and EHV-1. Foals nursing immune-dams should be vaccinated when maternal antibody levels will allow active immunization.