Vira Shield 6 + L5 HB Somnus - 50 DoseVira Shield 6 + L5 HB Somnus 50 Dose Vira Shield 6 + L5 HB Somnus is a vaccine for use in healthy cattle, 3 months of age or older (including pregnant cows and heifers), as an aid in the prevention of disease caused by infectious bovine rhinotracheitis (IBR), bovine virus diarrhea (BVD Type 1 and BVD Type 2), parainfluenza Type 3 (PI3), and bovine respiratory syncytial (BRSV) viruses and Haemophilus somnus, Leptospira canicola, grippotyphosa, hardjo