Vira Shield 6 plus Somnus is a killed virus vaccine designed for healthy cattle three months of age and older to help prevent BVD Types 1 and 2 IBR PI3 BRSV and Haemophilus Somnus It is safe for use in pregnant cows at any stage of gestation as well as calves nursing pregnant cows The vaccine supports respiratory and reproductive health by providing protection against key viral and bacterial diseases Administer 5 mL intramuscularly with a booster given in 4 to 5 weeks Calves vaccinated before weaning should receive a booster after weaning and annual revaccination is recommended or as directed by a veterinarian