Nobivac Pi – the annual revaccination alternative. Nobivac Pi contains live, attenuated, freeze-dried canine parainfluenza virus. Canine parainfluenza virus is one of the possible causes of kennel cough. Nobivac Pi can be substituted for Nobivac KC as an alternative annual vaccination option. Talk to your local vet about your dog’s lifestyle and an appropriate Nobivac vaccination programme. Prescription Animal Remedy (P.A.R.) Class 1 for use only under the authority or prescription of a veterinarian. | 