SOD1 and infection: This formulation had additional IVV-expressing Brucella Omp19 and Cu, Zn superoxide dismutase (SOD) proteins, an increased concentration of the adjuvant Montanide Gel01 by 2-fold called Flu-BA_Omp19-SOD, and delivery system (administered the vaccine simultaneously by subcutaneous and conjunctival routes), and the number of doses was increased to three from two and tested in pregnant sheep and goats against B. melitensis challenge infection.