Calvenza-03 EIV/EHV Vaccine (Flu/Rhino killed)- For the vaccination of healthy, susceptible horses 6 months of age or older, including pregnantmares, as an aid in the reduction of respiratory disease caused by equine herpesvirus type 1(EHV-1) and type 4 (EHV-4), and by equine influenza virus types A2 North American and A2 Eurasian.