Bovilis Nasalgen 3-PMH has been shown to be effective for the vaccination of healthy cattle, 1 week of age or older against infectious Bovine Rhinotracheitis (IBR) virus, Bovine Respiratory Syncytial Virus (BRSV), Parainfluenza 3 virus (PI3), Mannheimia haemolytica and Pasteurella multocida. Duration of Immunity has not been established. See package insert for complete product details.